/*
 * Layout styles - overall app structure
 * Header, main content area, footer
 */

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-top: calc(
        var(--app-header-height, 56px)
        + env(safe-area-inset-top, 0px)
        - var(--space-sm, 0.5rem)
    );
}

/* Header */
.app-header {
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
    padding: 0.3rem 0;
    box-shadow: var(--shadow-md);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1100;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--t-border);
}

.app-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: nowrap;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0 clamp(0.75rem, 3vw, 2rem);
}

.app-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: nowrap;
}

.app-logo {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin: 0;
}

.app-logo-link {
    display: inline-flex;
    align-items: center;
    gap: 0.95rem;
    text-decoration: none;
    color: var(--t-text);
    font-family: "Space Grotesk", var(--font-family);
    padding: 0.45rem 0.95rem;
    border-radius: 1.05rem;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.app-logo-link:hover {
    background-color: var(--t-surface-hover);
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
}

.app-logo-icon {
    width: 36px !important;
    height: 36px !important;
    object-fit: contain;
    flex-shrink: 0;
}

.app-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.app-logo-title {
    font-size: 1.32rem;
    font-weight: 800;
    margin: 0;
    color: var(--t-text);
    letter-spacing: 0.08em;
    text-shadow: 0 7px 18px rgba(0, 0, 0, 0.5);
}

.app-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(0.5rem, 1.5vw, 1rem);
    margin-left: auto;
    margin-right: 1rem;
    flex-wrap: nowrap;
}

.app-nav-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.app-nav-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border-radius: 999px;
    border: 1px solid var(--t-border-accent);
    background-color: var(--t-surface-input);
    color: var(--color-text-white);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.78rem;
    padding: 0.35rem 0.9rem;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.app-nav-dropdown-icon {
    width: 32px;
    height: 32px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    flex-shrink: 0;
}

.app-nav-dropdown-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.app-nav-dropdown-toggle:hover,
.app-nav-dropdown-toggle:focus-visible,
.app-nav-dropdown.is-open .app-nav-dropdown-toggle {
    border-color: rgba(255, 201, 85, 0.6);
    background-color: var(--t-surface-hover);
    color: #fff3d9;
}

.app-nav-dropdown-label {
    white-space: nowrap;
}

.app-nav-dropdown-caret {
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
    display: inline-flex;
}
.app-nav-dropdown.is-open .app-nav-dropdown-caret {
    transform: rotate(-135deg);
}

.app-nav-dropdown-panel {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    width: min(380px, 88vw);
    background: rgba(7, 9, 18, 0.98);
    border: 1px solid var(--t-border-medium);
    border-radius: 20px;
    box-shadow: 0 35px 80px rgba(0, 0, 0, 0.55);
    padding: 0.85rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    z-index: 1200;
}

.app-nav-dropdown.is-open .app-nav-dropdown-panel {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

/* ─── Features dropdown variant ─── */
.app-nav-dropdown--features .app-nav-dropdown-toggle--features {
    border-color: rgba(34, 197, 94, 0.25);
    background: rgba(34, 197, 94, 0.06);
}

.app-nav-dropdown--features .app-nav-dropdown-toggle--features:hover,
.app-nav-dropdown--features .app-nav-dropdown-toggle--features:focus-visible,
.app-nav-dropdown--features.is-open .app-nav-dropdown-toggle--features {
    border-color: rgba(34, 197, 94, 0.55);
    background: rgba(34, 197, 94, 0.12);
    color: #bbf7d0;
}

.features-dropdown-panel {
    width: min(360px, 88vw);
    left: 0;
    right: auto;
    padding: 0;
    overflow: hidden;
}

.features-dropdown-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1rem 0.6rem;
    border-bottom: 1px solid var(--t-border);
}

.features-dropdown-title {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--t-text-secondary);
    margin: 0;
}

.features-dropdown-all {
    font-size: 0.75rem;
    color: rgba(34, 197, 94, 0.8);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.15s ease;
}

.features-dropdown-all:hover {
    color: #4ade80;
}

.features-dropdown-list {
    list-style: none;
    margin: 0;
    padding: 0.35rem 0;
}

.features-dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.6rem 1rem;
    text-decoration: none;
    transition: background 0.15s ease;
    border-radius: 0;
}

.features-dropdown-item:hover {
    background-color: var(--t-surface-input);
}

.features-dropdown-item-icon {
    font-size: 1.3rem;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.features-dropdown-item-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.features-dropdown-item-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-white, #f1f5f9);
    white-space: nowrap;
}

.features-dropdown-item-desc {
    font-size: 0.72rem;
    color: rgba(148, 163, 184, 0.8);
    line-height: 1.4;
}

.vault-menu-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px solid var(--t-border);
}

.vault-menu-title {
    margin: 0;
    font-size: 0.85rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--t-text);
}

.vault-menu-subtitle {
    margin: 0.25rem 0 0;
    font-size: 0.82rem;
    color: var(--t-text-tertiary);
}

.vault-menu-link {
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-accent, #ffc955);
    text-decoration: none;
    padding: 0.25rem 0;
}

.vault-menu-link:hover {
    text-decoration: underline;
}

.vault-menu-body {
    margin-top: 0.65rem;
    max-height: 420px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.vault-menu-body[data-state="loading"] {
    opacity: 0.7;
}

.vault-menu-items {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.vault-menu-item {
    border-radius: 14px;
    overflow: hidden;
}

.vault-menu-item-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.6rem;
    border-radius: inherit;
    text-decoration: none;
    color: var(--t-text);
    background-color: var(--t-surface-soft);
    border: 1px solid var(--t-border-subtle);
    transition: border-color 0.2s ease, background 0.2s ease;
}

.vault-menu-item-link:hover,
.vault-menu-item-link:focus-visible {
    background-color: var(--t-surface-hover);
    border-color: rgba(255, 201, 85, 0.4);
}


.vault-menu-thumb {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    border: 1px solid var(--t-border);
    background: rgba(12, 14, 24, 0.85);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.vault-menu-thumb::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 35% 30%, rgba(255, 201, 85, 0.28), rgba(8, 10, 20, 0.9));
}

.vault-menu-thumb.has-image::after {
    display: none;
}

.vault-menu-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.vault-menu-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.vault-menu-name {
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--t-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vault-menu-meta {
    font-size: 0.72rem;
    color: var(--t-text-tertiary);
}

.vault-menu-empty {
    font-size: 0.8rem;
    color: var(--t-text-tertiary);
    padding: 0.4rem 0.2rem;
}

.vault-menu-footer {
    margin-top: 0.65rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--t-border);
    font-size: 0.72rem;
    color: var(--t-text-tertiary);
}

.vault-menu-footer span {
    display: block;
}

@media (max-width: 640px) {
    .app-header {
        padding: 0.2rem 0;
    }

    .app-header .container {
        gap: 0.4rem;
        padding: 0 0.5rem;
    }

    .app-logo-icon {
        width: 24px;
        height: 24px;
    }

    .app-logo-title {
        font-size: 0.88rem;
    }

    .app-header-actions {
        gap: 0.3rem;
        flex-shrink: 1;
        min-width: 0;
    }

    .app-nav {
        gap: 0.35rem;
        flex-shrink: 1;
        min-width: 0;
    }

    .app-nav-link {
        font-size: 0.75rem;
        padding: 0.25rem 0.4rem;
    }

    .app-nav-hq {
        padding: 0.3rem 0.6rem;
        font-size: 0.65rem;
        letter-spacing: 0.03em;
    }

    .app-nav-dropdown-toggle {
        padding: 0.35rem 0.6rem 0.35rem 0.25rem;
        gap: 0.25rem;
        border: none;
        background: transparent;
        box-shadow: none;
    }

    .app-nav-dropdown-label {
        display: none;
    }

    .app-nav-dropdown-icon {
        width: 40px;
        height: 40px;
        border-radius: 14px;
        border: none;
        background: transparent;
        box-shadow: none;
    }

    .app-nav-dropdown-toggle:hover .app-nav-dropdown-icon,
    .app-nav-dropdown-toggle:focus-visible .app-nav-dropdown-icon,
    .app-nav-dropdown.is-open .app-nav-dropdown-icon {
        background: transparent;
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
    }

    .app-nav-dropdown-panel {
        position: fixed;
        top: calc(var(--app-header-height, 70px) + env(safe-area-inset-top, 0px) + 0.75rem);
        left: clamp(0.5rem, 4vw, 1.25rem);
        right: clamp(0.5rem, 4vw, 1.25rem);
        width: auto;
        max-width: none;
        transform: none;
        border-radius: 18px;
    }

    .app-nav-dropdown.is-open .app-nav-dropdown-panel {
        transform: none;
    }

    .vault-menu-body {
        max-height: min(60vh, 420px);
    }
}

@media (max-width: 900px) {
    .app-nav-dropdown-toggle {
        padding: 0.3rem 0.55rem;
    }

    .app-nav-dropdown-label {
        font-size: 0.72rem;
        letter-spacing: 0.06em;
    }
}

.app-nav a {
    color: var(--color-text-white);
    opacity: 0.9;
    font-weight: var(--font-weight-medium);
}

.app-nav a:hover {
    opacity: 1;
}

.app-nav-link {
    color: var(--color-text-white);
    font-weight: var(--font-weight-semibold);
    font-size: 0.9rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.app-nav-logout {
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    transition: background 0.2s ease, color 0.2s ease;
}

.app-nav-logout:hover {
    background-color: var(--t-surface-hover);
    color: var(--color-text-white);
}

/* Make Login / Sign Up feel like branded header CTAs */
.app-nav-link[href*="/auth/login"],
.app-nav-link[href*="/auth/signup"] {
    background: transparent;
    border-radius: 999px;
}

.app-nav-launch {
    background: transparent;
    border-radius: 0;
    border: none;
    padding: 0.15rem 0.4rem;
    color: rgba(248, 250, 252, 0.9);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    box-shadow: none;
    border-bottom: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    line-height: inherit;
}

.app-nav-launch.is-uploading {
    opacity: 0.6;
    pointer-events: none;
}

.app-nav-launch:hover,
.app-nav-launch:focus-visible {
    color: var(--t-text);
    border-bottom-color: rgba(96, 165, 250, 0.9);
    transform: none;
    filter: none;
    outline: none;
}

/* ── Theme toggle ─────────────────────────────────────────────── */
.app-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border: 1px solid var(--t-border-strong);
    border-radius: 8px;
    background-color: var(--t-surface-input);
    color: var(--t-text-secondary);
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    flex-shrink: 0;
}
.app-theme-toggle:hover {
    background-color: var(--t-surface-hover);
    color: var(--t-text);
    border-color: var(--t-border-accent);
}
/* In dark mode: show sun icon (to switch to light), hide moon */
.app-theme-toggle-icon--moon { display: none; }
.app-theme-toggle-icon--sun  { display: block; }
/* In light mode: show moon icon (to switch to dark), hide sun */
[data-theme="light"] .app-theme-toggle {
    border-color: rgba(0, 0, 0, 0.12);
    background: rgba(0, 0, 0, 0.04);
    color: var(--t-text-tertiary);
}
[data-theme="light"] .app-theme-toggle:hover {
    background: rgba(0, 0, 0, 0.08);
    color: var(--t-text);
    border-color: rgba(0, 0, 0, 0.2);
}
[data-theme="light"] .app-theme-toggle-icon--sun  { display: none; }
[data-theme="light"] .app-theme-toggle-icon--moon { display: block; }

/* ── Logo icon: dark/light swap ───────────────────────────────── */
.app-logo-icon--light { display: none; }
.app-logo-icon--dark  { display: block; }
[data-theme="light"] .app-logo-icon--light { display: block; }
[data-theme="light"] .app-logo-icon--dark  { display: none; }

/* ── Light theme header overrides ─────────────────────────────── */
[data-theme="light"] .app-header {
    background-color: #ffffff;
    color: #1e293b;
    border-bottom-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .app-logo-link { color: #000000; }
[data-theme="light"] .app-logo-title { color: #000000; font-weight: 900; text-shadow: none; }
[data-theme="light"] .app-nav-link {
    color: #0f172a;
    font-weight: 600;
}
[data-theme="light"] .app-nav-link:hover,
[data-theme="light"] .app-nav-link:focus-visible {
    color: #000000;
    border-bottom-color: rgba(37, 99, 235, 0.7);
}
[data-theme="light"] .app-nav-launch {
    color: #0f172a;
    font-weight: 600;
}
[data-theme="light"] .app-nav-launch:hover,
[data-theme="light"] .app-nav-launch:focus-visible {
    color: #000000;
    border-bottom-color: rgba(37, 99, 235, 0.7);
}
[data-theme="light"] .app-nav-hq {
    color: #0f172a;
    font-weight: 600;
}
[data-theme="light"] .app-nav-hq:hover {
    color: #000000;
    background-color: rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .app-nav-logout {
    color: #0f172a;
}
[data-theme="light"] .app-nav-link[href*="/auth/login"] {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.15);
    color: var(--t-text);
}
[data-theme="light"] .app-nav-dropdown-toggle {
    color: #0f172a;
    font-weight: 700;
    border-color: rgba(0, 0, 0, 0.15);
    background-color: rgba(0, 0, 0, 0.03);
}
[data-theme="light"] .app-nav-dropdown-toggle:hover {
    border-color: rgba(0, 0, 0, 0.25);
    background-color: rgba(0, 0, 0, 0.06);
    color: #000000;
}
[data-theme="light"] .plan-tier-badge { color: #0f172a; font-weight: 700; }
[data-theme="light"] .plan-tier-badge--starter { color: #0369a1; }
[data-theme="light"] .plan-tier-badge--pro { color: #047857; }
[data-theme="light"] .plan-tier-badge--elite { color: #b45309; text-shadow: none; }
[data-theme="light"] .app-nav-dropdown-panel {
    background: var(--t-surface);
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}
[data-theme="light"] .vault-menu-title {
    color: #0f172a;
    font-weight: 700;
}
[data-theme="light"] .vault-menu-subtitle {
    color: #334155;
}
[data-theme="light"] .vault-menu-link { color: #2563eb; font-weight: 600; }
[data-theme="light"] .vault-menu-empty { color: #334155; }
[data-theme="light"] .vault-menu-footer { color: #475569; }
[data-theme="light"] .vault-menu-name { color: #0f172a; }
[data-theme="light"] .vault-menu-meta { color: #475569; }
[data-theme="light"] .vault-menu-item-link { color: #0f172a; }
[data-theme="light"] .vault-item:hover {
    background: rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .vault-item-title { color: #0f172a; }
[data-theme="light"] .vault-item-meta { color: #475569; }

.app-nav-link[href*="/auth/signup"] {
    background: linear-gradient(120deg, #ffd86b, #ffb347);
    color: #05070f;
    box-shadow: 0 10px 24px rgba(255, 184, 71, 0.3);
}

.app-nav-link[href*="/auth/login"] {
    border-radius: 999px;
    background-color: var(--t-surface-hover);
    border: 1px solid var(--t-border-accent);
    color: var(--t-text);
}

.app-nav-link[href*="/auth/signup"]:hover,
.app-nav-link[href*="/auth-login"]:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(255, 184, 71, 0.4);
    background: linear-gradient(120deg, #ffe082, #ffc057);
    color: #05070f;
}

/* Login hover: subtle pill lift to complement primary Sign Up CTA */
.app-nav-link[href*="/auth/login"]:hover {
    background-color: var(--t-surface-hover);
    border-color: var(--t-border-accent);
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.app-nav-hq {
    padding: 0.35rem 0.5rem;
    border: none;
    border-radius: 0;
    background: transparent;
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.01em;
    text-transform: none;
    transition: color 0.2s ease, background 0.2s ease;
}

.app-nav-hq:hover {
    background-color: var(--t-surface-hover);
    border-radius: 0.25rem;
    color: var(--color-text-white);
}

/* ── User profile dropdown ────────────────────────────────────── */
.app-profile-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.app-profile-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.3rem 0.65rem 0.3rem 0.3rem;
    border-radius: 999px;
    border: 1px solid var(--t-border-accent);
    background-color: var(--t-surface-input);
    color: var(--color-text-white);
    font-weight: 600;
    font-size: 0.82rem;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    font-family: inherit;
    line-height: 1;
}

.app-profile-toggle:hover,
.app-profile-dropdown.is-open .app-profile-toggle {
    border-color: rgba(96, 165, 250, 0.6);
    background-color: var(--t-surface-hover);
}

.app-profile-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.72rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    letter-spacing: 0;
    text-transform: uppercase;
}

.app-profile-name {
    white-space: nowrap;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-profile-caret {
    flex-shrink: 0;
    transition: transform 0.2s;
}

.app-profile-dropdown.is-open .app-profile-caret {
    transform: rotate(180deg);
}

.app-profile-panel {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    width: 260px;
    background: rgba(7, 9, 18, 0.98);
    border: 1px solid var(--t-border-medium);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    padding: 0;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.2s, transform 0.2s;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    z-index: 1200;
    overflow: hidden;
}

.app-profile-dropdown.is-open .app-profile-panel {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.app-profile-panel-header {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.85rem 1rem 0.65rem;
    border-bottom: 1px solid var(--t-border);
}

.app-profile-panel-name {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--t-text);
    letter-spacing: 0.01em;
}

.app-profile-panel-email {
    font-size: 0.72rem;
    color: var(--t-text-tertiary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-profile-tier {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--t-border);
}

.app-profile-tier-icon {
    font-size: 1.1rem;
    line-height: 1;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.app-profile-tier-icon svg {
    width: 20px;
    height: 20px;
}

.app-profile-tier-info {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
}

.app-profile-tier-label {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #93c5fd;
}

.app-profile-tier--free .app-profile-tier-label,
.app-profile-tier-label.app-profile-tier--free {
    color: var(--t-text-tertiary);
}

.app-profile-tier-label.app-profile-tier--starter {
    color: #7fd5ff;
}

.app-profile-tier-label.app-profile-tier--pro {
    color: #4be2b2;
}

.app-profile-tier-label.app-profile-tier--elite {
    color: #fce6a1;
    text-shadow: 0 0 8px rgba(252, 214, 124, 0.35);
}

.app-profile-tier-desc {
    font-size: 0.7rem;
    color: var(--t-text-tertiary);
    line-height: 1.3;
}

.app-profile-panel-divider {
    display: none;
}

.app-profile-menu-item {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.65rem 1rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--t-text-secondary);
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
    cursor: pointer;
}

.app-profile-menu-item:hover {
    background: var(--t-surface-hover);
    color: var(--t-text);
}

.app-profile-logout svg {
    opacity: 0.7;
}

.app-profile-logout:hover svg {
    opacity: 1;
}

/* ── New Plan nav link style ─────────────────────────────────── */
.app-nav-new-plan {
    background: transparent;
    border: 1.5px solid rgba(59, 130, 246, 0.4);
    border-radius: 999px;
    padding: 0.3rem 0.85rem;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.app-nav-new-plan:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.7);
}

/* ── Light mode: profile dropdown ─────────────────────────────── */
[data-theme="light"] .app-profile-toggle {
    color: #0f172a;
    border-color: rgba(0, 0, 0, 0.12);
    background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .app-profile-toggle:hover,
[data-theme="light"] .app-profile-dropdown.is-open .app-profile-toggle {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.06);
}

[data-theme="light"] .app-profile-avatar {
    background: linear-gradient(135deg, #3b82f6, #1e40af);
}

[data-theme="light"] .app-profile-panel {
    background: #ffffff;
    border-color: #e2e8f0;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    backdrop-filter: none;
}

[data-theme="light"] .app-profile-panel-header {
    border-bottom-color: #e2e8f0;
}

[data-theme="light"] .app-profile-panel-name {
    color: #0f172a;
}

[data-theme="light"] .app-profile-panel-email {
    color: #64748b;
}

[data-theme="light"] .app-profile-tier {
    border-bottom-color: #e2e8f0;
}

[data-theme="light"] .app-profile-tier-label.app-profile-tier--free {
    color: #64748b;
}

[data-theme="light"] .app-profile-tier-label.app-profile-tier--starter {
    color: #0369a1;
}

[data-theme="light"] .app-profile-tier-label.app-profile-tier--pro {
    color: #047857;
}

[data-theme="light"] .app-profile-tier-label.app-profile-tier--elite {
    color: #b45309;
    text-shadow: none;
}

[data-theme="light"] .app-profile-tier-desc {
    color: #64748b;
}

[data-theme="light"] .app-profile-menu-item {
    color: #475569;
}

[data-theme="light"] .app-profile-menu-item:hover {
    background: #f1f5f9;
    color: #0f172a;
}

[data-theme="light"] .app-profile-logout:hover {
    color: #dc2626;
}

[data-theme="light"] .app-nav-new-plan {
    border-color: #3b82f6;
    color: #1e40af;
}

[data-theme="light"] .app-nav-new-plan:hover {
    background: rgba(59, 130, 246, 0.08);
    border-color: #2563eb;
    color: #1e3a8a;
}

/* Mobile: profile dropdown adjustments */
@media (max-width: 640px) {
    .app-profile-name {
        display: none;
    }

    .app-profile-toggle {
        padding: 0.25rem;
        border: none;
        background: transparent;
    }

    .app-profile-panel {
        position: fixed;
        top: calc(var(--app-header-height, 70px) + env(safe-area-inset-top, 0px) + 0.75rem);
        right: clamp(0.5rem, 4vw, 1.25rem);
        left: auto;
        width: min(280px, 85vw);
    }

    .app-nav-new-plan {
        font-size: 0.7rem;
        padding: 0.25rem 0.55rem;
    }
}

.plan-tier-badge,
.plan-tier-fallback,
.plan-user-name {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: var(--font-weight-semibold);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-white);
    flex-shrink: 0;
    white-space: nowrap;
}

.plan-user-name {
    text-transform: none;
    letter-spacing: 0.02em;
    font-size: 0.8rem;
}
[data-theme="light"] .plan-user-name {
    color: #0f172a;
}

.plan-tier-fallback {
    text-transform: none;
    letter-spacing: 0.02em;
    font-size: 0.8rem;
}

.plan-tier-badge-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
}

.plan-tier-badge-icon svg {
    width: 1rem;
    height: 1rem;
    display: block;
}

.plan-tier-badge-label {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
}

.plan-tier-badge--free {
    color: var(--t-text-tertiary);
}

.plan-tier-badge--starter {
    color: #7fd5ff;
}

.plan-tier-badge--pro {
    color: #4be2b2;
}

.plan-tier-badge--elite {
    color: #fce6a1;
    text-shadow: 0 0 10px rgba(252, 214, 124, 0.45);
}

.plan-tier-badge--elite .plan-tier-badge-icon svg {
    filter: drop-shadow(0 0 6px rgba(249, 214, 109, 0.55));
}

@media (max-width: 640px) {
    .plan-tier-badge {
        font-size: 0.7rem;
        letter-spacing: 0.04em;
    }

    .plan-tier-badge-label {
        font-size: 0.7rem;
    }
}

/* Desktop/Wide screens - compact header */
@media (min-width: 1100px) {
    .app-header {
        padding: 0.15rem 0;
    }

    .app-header .container {
        gap: 0.5rem;
    }

    .app-logo-icon {
        width: 28px;
        height: 28px;
        border-radius: 8px;
    }

    .app-logo-title {
        font-size: 0.92rem;
    }

    .app-logo-link {
        gap: 0.4rem;
        padding: 0.15rem 0.35rem;
    }

    .app-nav {
        gap: 0.6rem;
    }

    .app-nav-link {
        font-size: 0.78rem;
        padding: 0.28rem 0.6rem;
    }

    .app-nav-hq {
        font-size: 0.78rem;
        padding: 0.28rem 0.4rem;
    }

    .app-nav-logout {
        font-size: 0.78rem;
        padding: 0.28rem 0.6rem;
    }

    .app-nav-dropdown-toggle {
        font-size: 0.72rem;
        padding: 0.28rem 0.7rem;
    }

    .app-nav-dropdown-icon {
        width: 26px;
        height: 26px;
        border-radius: 10px;
    }

    .plan-tier-badge {
        font-size: 0.72rem;
    }

    .plan-tier-badge-label {
        font-size: 0.7rem;
    }

    .plan-tier-badge-icon svg {
        width: 0.85rem;
        height: 0.85rem;
    }
}

/* Main Content */
.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Footer */
.app-footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--space-xl) 0;
    margin-top: auto;
}

.app-footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
}

.app-footer p {
    text-align: center;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.app-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.25rem;
}

.app-footer-links a {
    color: var(--color-text-light);
    font-size: 0.85rem;
    text-decoration: none;
}

.app-footer-links a:hover,
.app-footer-links a:focus-visible {
    color: var(--color-text-inverse);
    text-decoration: underline;
}

/* ══════════════════════════════════════════════════════════════════════
   LIGHT THEME — layout overrides
   ══════════════════════════════════════════════════════════════════════ */

/* ── Header ─────────────────────────────────────────────────────────── */
[data-theme="light"] .app-header {
    background-color: #ffffff;
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.03);
    backdrop-filter: blur(12px);
}

/* Logo */
[data-theme="light"] .app-logo-title {
    color: #0f172a;
    text-shadow: none;
}
[data-theme="light"] .app-logo-link:hover {
    background-color: rgba(59, 130, 246, 0.06);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

/* ── Nav links ──────────────────────────────────────────────────────── */
[data-theme="light"] .app-nav-link {
    color: #475569;
}
[data-theme="light"] .app-nav-link:hover,
[data-theme="light"] .app-nav-link:focus-visible {
    color: #0f172a;
    background-color: rgba(59, 130, 246, 0.06);
}
[data-theme="light"] .app-nav-hq {
    color: #2563eb;
    border-color: rgba(37, 99, 235, 0.3);
    background: rgba(37, 99, 235, 0.06);
}
[data-theme="light"] .app-nav-hq:hover {
    background: rgba(37, 99, 235, 0.12);
    border-color: rgba(37, 99, 235, 0.5);
    color: #1d4ed8;
}

/* ── Vault dropdown toggle ──────────────────────────────────────────── */
[data-theme="light"] .app-nav-dropdown-toggle {
    border-color: rgba(0, 0, 0, 0.12);
    background-color: rgba(0, 0, 0, 0.03);
    color: #334155;
}
[data-theme="light"] .app-nav-dropdown-toggle:hover,
[data-theme="light"] .app-nav-dropdown-toggle:focus-visible,
[data-theme="light"] .app-nav-dropdown.is-open .app-nav-dropdown-toggle {
    border-color: #3b82f6;
    background-color: rgba(59, 130, 246, 0.06);
    color: #1e293b;
}
[data-theme="light"] .app-nav-dropdown-label {
    color: #334155;
}
[data-theme="light"] .app-nav-dropdown-icon {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

/* ── Vault dropdown panel ───────────────────────────────────────────── */
[data-theme="light"] .app-nav-dropdown-panel {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04);
    backdrop-filter: blur(12px);
}

/* Vault menu head */
[data-theme="light"] .vault-menu-title {
    color: #0f172a;
}
[data-theme="light"] .vault-menu-subtitle {
    color: #64748b;
}
[data-theme="light"] .vault-menu-link {
    color: #2563eb;
}
[data-theme="light"] .vault-menu-link:hover {
    color: #1d4ed8;
}

/* Vault menu items */
[data-theme="light"] .vault-menu-item-link {
    background-color: #f8fafc;
    border-color: rgba(0, 0, 0, 0.06);
    color: #1e293b;
}
[data-theme="light"] .vault-menu-item-link:hover,
[data-theme="light"] .vault-menu-item-link:focus-visible {
    background-color: rgba(59, 130, 246, 0.06);
    border-color: rgba(59, 130, 246, 0.25);
}
[data-theme="light"] .vault-menu-thumb {
    background: #f1f5f9;
    border-color: #e2e8f0;
}
[data-theme="light"] .vault-menu-thumb::after {
    background: radial-gradient(circle at 35% 30%, rgba(59, 130, 246, 0.15), rgba(241, 245, 249, 0.5));
}
[data-theme="light"] .vault-menu-name {
    color: #0f172a;
}
[data-theme="light"] .vault-menu-meta {
    color: #64748b;
}
[data-theme="light"] .vault-menu-empty {
    color: #94a3b8;
}
[data-theme="light"] .vault-menu-footer {
    border-top-color: #e2e8f0;
    color: #94a3b8;
}

/* ── Features dropdown ──────────────────────────────────────────────── */
[data-theme="light"] .app-nav-dropdown--features .app-nav-dropdown-toggle--features {
    border-color: rgba(37, 99, 235, 0.25);
    background: rgba(37, 99, 235, 0.06);
    color: #2563eb;
}
[data-theme="light"] .app-nav-dropdown--features .app-nav-dropdown-toggle--features:hover,
[data-theme="light"] .app-nav-dropdown--features .app-nav-dropdown-toggle--features:focus-visible,
[data-theme="light"] .app-nav-dropdown--features.is-open .app-nav-dropdown-toggle--features {
    border-color: rgba(37, 99, 235, 0.5);
    background: rgba(37, 99, 235, 0.12);
    color: #1d4ed8;
}
[data-theme="light"] .features-dropdown-panel {
    background: #ffffff;
    border-color: #e2e8f0;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}
[data-theme="light"] .features-dropdown-head {
    border-bottom-color: #e2e8f0;
}
[data-theme="light"] .features-dropdown-title {
    color: #64748b;
}
[data-theme="light"] .features-dropdown-all {
    color: #2563eb;
}
[data-theme="light"] .features-dropdown-all:hover {
    color: #1d4ed8;
}
[data-theme="light"] .features-dropdown-item:hover {
    background-color: rgba(59, 130, 246, 0.06);
}
[data-theme="light"] .features-dropdown-item-name {
    color: #0f172a;
}
[data-theme="light"] .features-dropdown-item-desc {
    color: #64748b;
}

/* ── Auth buttons in header ──────────────────────────────────────────── */
[data-theme="light"] .app-nav .btn-auth,
[data-theme="light"] .app-nav [class*="login"],
[data-theme="light"] .app-nav [class*="signup"] {
    color: #1e293b;
}

/* ── Footer ─────────────────────────────────────────────────────────── */
[data-theme="light"] .app-footer {
    background-color: #f8fafc;
    border-top-color: #e2e8f0;
}