:root {
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --bg: #f9fafb;
    --surface: #ffffff;
    --text: #374151;
    --gray-border: #e5e7eb;
    --danger: #ef4444;
    --header-height: 70px;
    --google-blue: #1a73e8;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
    font-family: 'Tajawal', sans-serif;
    background-color: var(--bg);
    margin: 0; padding: 0; color: var(--text);
    height: 100vh; height: -webkit-fill-available;
    overflow-x: hidden; display: flex; flex-direction: column;
    padding-top: env(safe-area-inset-top); padding-bottom: env(safe-area-inset-bottom);
    user-select: none; -webkit-user-select: none;
}

input, textarea {
    user-select: auto; -webkit-user-select: auto;
}

header {
    height: var(--header-height); padding: 0 20px;
    display: grid; grid-template-columns: 45px 1fr 45px;
    align-items: center; position: relative; margin-bottom: 10px;
    background: var(--bg);
}

h1 {
    margin: 0; font-size: 20px; color: var(--primary-dark);
    font-weight: 700; display: flex; align-items: center;
    justify-content: center; gap: 8px; white-space: nowrap;
}

.menu-btn {
    width: 45px; height: 45px; display: flex; align-items: center; justify-content: center;
    border-radius: 50%; cursor: pointer; background: white; color: #4b5563; 
    box-shadow: 0 2px 5px rgba(0,0,0,0.05); transition: 0.2s;
}
.menu-btn:active { background: #e5e7eb; }

.main-menu {
    position: absolute; top: calc(var(--header-height) + 5px); left: 20px;
    background: white; border-radius: 16px; box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    width: 280px; display: none; flex-direction: column; overflow: hidden;
    z-index: 1000; border: 1px solid #f3f4f6;
    animation: menuPop 0.2s ease-out;
}
@keyframes menuPop { from{opacity:0; transform:scale(0.95);} to{opacity:1; transform:scale(1);} }

.menu-item {
    padding: 14px 20px; cursor: pointer; border-bottom: 1px solid #f3f4f6;
    font-size: 15px; font-weight: 500; display: flex; align-items: center; justify-content: space-between; color: #4b5563;
}
.menu-item:last-child { border-bottom: none; }
.menu-item:active { background: #f9fafb; }
.delete-item { color: var(--danger); }
.sync-item { background: #f0f9ff; color: var(--primary-dark); }

.user-profile-img { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; border: 1px solid #ddd; }

.container {
    padding: 0 25px; flex: 1; display: flex; flex-direction: column; gap: 15px;
    max-width: 500px; margin: 0 auto; width: 100%;
}

.app-input {
    width: 100%; padding: 18px; border: 1px solid var(--gray-border);
    border-radius: 14px; font-family: 'Tajawal', sans-serif; font-size: 16px;
    outline: none; background: white; color: var(--text); transition: 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}
.app-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1); }

.btn {
    width: 100%; padding: 16px; border: none; border-radius: 14px;
    font-size: 16px; font-weight: 700; cursor: pointer; transition: 0.2s;
    display: flex; align-items: center; justify-content: center; gap: 10px;
}
.btn-primary { background: linear-gradient(135deg, #8b5cf6, #7c3aed); color: white; box-shadow: 0 8px 20px -4px rgba(124, 58, 237, 0.4); }
.btn-primary:active { transform: scale(0.98); }
.btn-outline { background: white; color: var(--primary); border: 2px solid var(--primary); margin-top: 5px; }
.btn-outline:active { background: #f5f3ff; transform: scale(0.98); }

#vaultPage {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: #f9fafb; z-index: 200; display: none; flex-direction: column;
    overflow: hidden; padding-top: env(safe-area-inset-top); padding-bottom: env(safe-area-inset-bottom);
}

.vault-fixed-top {
    padding: 10px 20px 5px 20px; background: #f9fafb; flex-shrink: 0;
    display: flex; flex-direction: column; gap: 10px; z-index: 10;
}

#vaultList {
    flex: 1; overflow-y: auto; padding: 10px 20px 100px 20px; -webkit-overflow-scrolling: touch;
}

.vault-header { 
    display: flex; align-items: center; justify-content: space-between; margin-bottom: 5px; height: 45px;
}
.vault-title { color:#1f2937; margin:0; font-size: 20px; font-weight: 700; }

.header-actions { display: flex; gap: 10px; align-items: center; }
.icon-btn { 
    background: white; border: 1px solid #e5e7eb; width: 40px; height: 40px;
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
    font-size: 18px; cursor: pointer; color: var(--text); box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.icon-btn.active { background: var(--primary); color: white; border-color: var(--primary); }

.folders-bar {
    display: flex; gap: 10px; overflow-x: auto; padding: 5px 2px 10px 2px;
    scrollbar-width: none; -ms-overflow-style: none; flex-shrink: 0;
}
.folder-chip {
    background: white; padding: 8px 16px; border-radius: 20px; font-size: 14px;
    color: #6b7280; border: 1px solid #e5e7eb; white-space: nowrap; cursor: pointer;
    transition: 0.2s; display: flex; align-items: center; gap: 5px;
}
.folder-chip.active {
    background: var(--primary); color: white; border-color: var(--primary);
    box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
}
.add-folder-btn {
    background: #f3f4f6; color: var(--primary); font-weight: bold; width: 35px; height: 35px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    border: 1px dashed var(--primary); cursor: pointer;
}

.account-card {
    background: white; padding: 15px; border-radius: 18px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03); margin-bottom: 12px;
    display: flex; align-items: center; gap: 12px; position: relative; overflow: hidden;
    transition: transform 0.2s, background-color 0.2s;
    border: 1px solid transparent;
}
.account-card.selected-card { background: #f5f3ff; border-color: var(--primary); }
.account-card.dragging { opacity: 0.6; background: #fafafa; border: 2px dashed #ccc; transform: scale(0.98); }

.selection-check {
    width: 24px; height: 24px; border-radius: 50%; border: 2px solid #d1d5db;
    display: none; align-items: center; justify-content: center; color: white;
    flex-shrink: 0; transition: 0.2s;
}
.selected-card .selection-check { display: flex; background: var(--primary); border-color: var(--primary); }

.drag-handle-visible {
    color: #d1d5db; cursor: grab; padding: 5px;
    display: flex; align-items: center; justify-content: center;
}

.card-main { flex: 1; display: flex; flex-direction: column; gap: 6px; padding-right: 5px;}
.card-email { font-weight: 700; color: #1f2937; font-size: 15px; display: flex; align-items: center; justify-content: flex-end; gap: 8px; word-break: break-all;}
.card-pass-pill {
    background: #f3f4f6; padding: 8px; border-radius: 50px; text-align: center;
    font-family: monospace; color: #374151; cursor: pointer; letter-spacing: 2px; font-size: 20px;
}
.hidden-pass { color: #9ca3af; letter-spacing: 4px; font-size: 24px; line-height: 0.8;}

.bottom-action-bar {
    position: fixed; bottom: calc(20px + env(safe-area-inset-bottom)); 
    left: 50%; transform: translateX(-50%) translateY(150px);
    background: #1f2937; color: white; padding: 12px 25px; border-radius: 30px;
    display: flex; gap: 15px; align-items: center; z-index: 300; transition: 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.bottom-action-bar.visible { transform: translateX(-50%) translateY(0); }
.action-btn-small { background: none; border: none; color: white; font-weight: bold; cursor: pointer; font-family: 'Tajawal'; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.delete-btn-action { color: #ef4444; border-right: 1px solid #4b5563; padding-right: 15px; }

.overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.3); backdrop-filter: blur(3px);
    z-index: 900; display: none; justify-content: center; align-items: center;
    padding: 20px; opacity: 0; transition: opacity 0.2s;
}
.overlay.show { opacity: 1; }

.modal {
    background: white; width: 100%; max-width: 320px;
    border-radius: 24px; padding: 25px; text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    transform: scale(0.9); transition: transform 0.2s;
}
.overlay.show .modal { transform: scale(1); }

.modal h3 { margin-top: 0; color: var(--primary); }
.modal-actions { display: flex; gap: 10px; justify-content: center; margin-top: 20px; }
.btn-small { padding: 12px 20px; border-radius: 12px; border: none; font-weight: bold; cursor: pointer; flex: 1; font-size: 14px; }
.btn-confirm { background: var(--primary); color: white; }
.btn-cancel { background: #f3f4f6; color: #374151; }

.folder-list-modal { display: flex; flex-direction: column; gap: 8px; max-height: 250px; overflow-y: auto; text-align: right; margin-top: 15px; }
.folder-item-row { padding: 14px; background: #f9fafb; border-radius: 12px; cursor: pointer; font-weight: 500; border: 1px solid transparent; }
.folder-item-row:active { background: #e5e7eb; }

.modal-clean { background: white; width: 100%; max-width: 320px; border-radius: 24px; padding: 0; overflow: hidden; box-shadow: 0 10px 40px rgba(0,0,0,0.15); }
.action-item { display: flex; align-items: center; justify-content: space-between; padding: 18px 25px; border-bottom: 1px solid #f3f4f6; cursor: pointer; color: #374151; font-weight: 500; }
.action-item:last-child { border-bottom: none; color: var(--danger); }

.toast {
    position: fixed; bottom: 50px; left: 50%; transform: translateX(-50%);
    background: #1f2937; color: white; padding: 10px 20px; border-radius: 30px;
    font-size: 14px; opacity: 0; transition: 0.3s; pointer-events: none; z-index: 3000;
    white-space: nowrap;
}

.sync-loader {
    display: none; width: 16px; height: 16px; border: 2px solid #ddd;
    border-top: 2px solid var(--primary); border-radius: 50%;
    animation: spin 0.8s linear infinite; margin-right: 10px;
}
@keyframes spin { 0% {transform: rotate(0deg);} 100% {transform: rotate(360deg);} }
#importText {
    user-select: text !important;
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    -webkit-touch-callout: default !important;
}
body.dark-theme {
    --bg: #111827;
    --surface: #1f2937;
    --text: #f9fafb;
    --gray-border: #374151;
}

body.dark-theme .menu-btn,
body.dark-theme .main-menu,
body.dark-theme .app-input,
body.dark-theme .folder-chip,
body.dark-theme .account-card,
body.dark-theme .modal,
body.dark-theme .modal-clean,
body.dark-theme .icon-btn {
    background: var(--surface);
    color: var(--text);
    border-color: var(--gray-border);
}

body.dark-theme .menu-item,
body.dark-theme .action-item {
    border-color: var(--gray-border);
    color: var(--text);
}

body.dark-theme .menu-item:active,
body.dark-theme .folder-item-row {
    background: #374151;
    color: var(--text);
}

body.dark-theme .card-email,
body.dark-theme .vault-title {
    color: var(--text);
}

body.dark-theme .card-pass-pill {
    background: #374151;
    color: var(--text);
}

body.dark-theme .vault-fixed-top,
body.dark-theme #vaultPage {
    background: var(--bg);
}