/* ═══════════════════════════════════════════════════════════════
   Simple Header Component Styles
   ═══════════════════════════════════════════════════════════════ */

/* Reset default margins that create gaps */
html, body {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}

/* Aggressive reset for all siblings after header */
body > * {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}

.simple-header ~ * {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

.simple-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background: rgba(var(--bg-primary-rgb, 247, 251, 251), 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color, #e2e8f0);
    margin-bottom: 0 !important;
}

/* Reduce gap between header and main content */
.simple-header + main,
.simple-header + .main-content,
.simple-header + div {
    margin-top: 0 !important;
}

/* Remove padding from all main/content wrappers */
main {
    padding-top: 8px !important;
    margin-top: 0 !important;
}

.main-content {   
    margin-top: 0 !important;
}

.welcome-screen,
[role="main"],
.ms-right-column,
.dict-mode,
.vocab-card-container {
    padding-top: 0 !important;
    margin-top: 0 !important;
}

.home-page {
    padding-top: 0 !important;
    margin-top: 0 !important;
}

.home-main {
    padding-top: 0 !important;
    margin-top: 0 !important;
}

/* Additional spacing for dictionary and similar areas */
.dict-search-area,
.ms-panel-body {
    margin-top: 4px !important;
}

[data-theme="dark"] .simple-header {
    background: rgba(15, 15, 26, 0.95);
}

.simple-header-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 32px);
    height: 64px;
    width: 100%;
}

/* Logo pushed to left */
.simple-header-logo {
    display: flex;
    align-items: center;
    cursor: pointer;
    flex-shrink: 0;
    margin-right: auto;
    order: 1;
}

.simple-header-logo-text {
    font-family: 'Goldman', sans-serif;
    font-size: clamp(1.1rem, 1.6vw, 1.5rem);
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-primary, #0f172a);
    margin: 0;
}

/* Desktop Navigation Links - centered */
.simple-header-links {
    display: none;
    align-items: center;
    gap: 4px;
    order: 2;
    flex: 1;
    justify-content: center;
}

@media (min-width: 768px) {
    .simple-header-links {
        display: flex;
    }
}

.simple-header-link {
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--text-muted, #64748b);
    border-radius: 9999px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.simple-header-link:hover {
    color: var(--text-primary, #0f172a);
    background: var(--bg-secondary, #f1f5f9);
}

.simple-header-link.active {
    color: var(--text-primary, #0f172a);
    background: var(--bg-secondary, #f1f5f9);
}

/* Right Actions pushed to right */
.simple-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    order: 3;
    flex-shrink: 0;
}

/* Auth Button */
.simple-header-auth-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 9999px;
    border: 1px solid var(--border-color, #e2e8f0);
    background: transparent;
    color: var(--text-primary, #0f172a);
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.simple-header-auth-btn:not(.authenticated) {
    background: var(--text-primary, #0f172a);
    color: var(--bg-primary, #fff);
    border-color: var(--text-primary, #0f172a);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.simple-header-auth-btn:not(.authenticated):hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.simple-header-auth-btn.authenticated:hover {
    background: var(--bg-secondary, #f1f5f9);
}

.simple-header-signin-text {
    font-weight: 800;
    letter-spacing: 0.5px;
}

/* User Avatar */
.simple-header-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.simple-header-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.simple-header-user-avatar svg {
    color: var(--text-primary, #0f172a);
}

.simple-header-user-name {
    display: none;
    font-size: 14px;
    font-weight: 600;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (min-width: 1024px) {
    .simple-header-user-name {
        display: inline-block;
    }
}

.simple-header-chevron {
    opacity: 0.5;
    transition: transform 0.2s;
}

.simple-header-chevron.open {
    transform: rotate(180deg);
}

/* User Dropdown */
.simple-header-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 256px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 16px;
    padding: 8px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    z-index: 100;
    animation: dropdown-in 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes dropdown-in {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.simple-header-dropdown-header {
    padding: 12px;
    border-bottom: 1px solid var(--border-color, #e2e8f0);
    margin-bottom: 4px;
}

.simple-header-dropdown-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary, #0f172a);
    margin: 0 0 4px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.simple-header-dropdown-email {
    font-size: 12px;
    color: var(--text-muted, #64748b);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.simple-header-dropdown-menu {
    padding: 4px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.simple-header-dropdown-item {
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary, #0f172a);
    background: transparent;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    gap: 12px;
}

.simple-header-dropdown-item:hover {
    background: var(--bg-secondary, #f1f5f9);
}

.simple-header-dropdown-item.danger {
    color: #ef4444;
}

.simple-header-dropdown-item.danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* Mobile Toggle */
.simple-header-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-primary, #0f172a);
    cursor: pointer;
    transition: background 0.2s;
}

.simple-header-mobile-toggle:hover {
    background: var(--bg-secondary, #f1f5f9);
}

@media (min-width: 768px) {
    .simple-header-mobile-toggle {
        display: none;
    }
}

/* Mobile Menu */
.simple-header-mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg-card, #fff);
    border-right: 1px solid var(--border-color, #e2e8f0);
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    overflow-y: auto;
}

.simple-header-mobile-menu.open {
    transform: translateX(0);
}

.simple-header-mobile-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 32px 24px;
    border-bottom: 1px solid var(--border-color, #e2e8f0);
}

.simple-header-mobile-links {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.simple-header-mobile-link {
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-muted, #64748b);
    border-radius: 12px;
    transition: all 0.2s;
}

.simple-header-mobile-link:hover {
    background: var(--bg-secondary, #f1f5f9);
}

.simple-header-mobile-link.active {
    color: #6366f1;
    background: var(--bg-secondary, #f1f5f9);
}

.simple-header-mobile-user {
    padding: 24px;
    border-top: 1px solid var(--border-color, #e2e8f0);
    margin-top: auto;
}

.simple-header-mobile-user-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary, #0f172a);
    margin: 0 0 4px 0;
}

.simple-header-mobile-user-email {
    font-size: 12px;
    color: var(--text-muted, #64748b);
    margin: 0 0 16px 0;
}

.simple-header-mobile-signout {
    width: 100%;
    padding: 12px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary, #0f172a);
    background: transparent;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.simple-header-mobile-signout:hover {
    background: var(--bg-secondary, #f1f5f9);
}

/* Mobile Backdrop */
.simple-header-mobile-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 9998;
}

.simple-header-mobile-backdrop.visible {
    opacity: 1;
    visibility: visible;
}

/* Dark Theme Adjustments */
[data-theme="dark"] .simple-header-link {
    color: #94a3b8;
}

[data-theme="dark"] .simple-header-link:hover,
[data-theme="dark"] .simple-header-link.active {
    color: #f1f5f9;
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .simple-header-auth-btn:not(.authenticated) {
    background: #fff;
    color: #0f172a;
    border-color: #fff;
}

[data-theme="dark"] .simple-header-auth-btn.authenticated:hover {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .simple-header-dropdown {
    background: #1e293b;
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .simple-header-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .simple-header-mobile-menu {
    background: #1e293b;
    border-right-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .simple-header-mobile-link:hover,
[data-theme="dark"] .simple-header-mobile-link.active {
    background: rgba(255, 255, 255, 0.05);
}