/* ==========================================================================
   PyShare v4.0 - Master Stylesheet (Pixel-Perfect Dark & Light System)
   ========================================================================== */

:root {
    /* DARK THEME (Default) - Deep Navy Aesthetic */
    --bg-color: #0b111e;
    --card-bg: #141d2e;
    --card-hover-bg: #182337;
    --border-color: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(59, 130, 246, 0.4);
    --input-bg: #0d1525;
    
    --text-main: #ffffff;
    --text-sub: #8292ab;
    --text-muted: #56657a;
    
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-cyan: #38bdf8;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    
    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
    --glow-blue: 0 0 20px rgba(59, 130, 246, 0.25);
    --glow-green: 0 0 12px rgba(16, 185, 129, 0.35);
}

[data-theme="light"] {
    --bg-color: #f1f5f9;
    --card-bg: #ffffff;
    --card-hover-bg: #f8fafc;
    --border-color: #e2e8f0;
    --border-hover: #93c5fd;
    --input-bg: #f8fafc;
    
    --text-main: #0f172a;
    --text-sub: #64748b;
    --text-muted: #94a3b8;
    
    --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.06);
    --glow-blue: 0 0 20px rgba(59, 130, 246, 0.15);
    --glow-green: 0 0 12px rgba(16, 185, 129, 0.2);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    transition: background-color 0.25s ease, color 0.25s ease;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* --- NAVBAR --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 4px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.3px;
    background: linear-gradient(135deg, #60a5fa 0%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-icon {
    font-size: 26px;
    filter: drop-shadow(0 2px 8px rgba(96, 165, 250, 0.4));
}

.icon-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 16px;
    cursor: pointer;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background: var(--card-hover-bg);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.icon-btn:active {
    transform: scale(0.96);
}

/* --- STATUS PILL --- */
.status-bar {
    display: flex;
    justify-content: center;
    margin: 4px 0 16px 0;
}

.status-pill {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 8px 24px;
    border-radius: 9999px;
    font-size: 13px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-sub);
    box-shadow: var(--shadow-card);
}

.status-dot {
    width: 9px;
    height: 9px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: var(--glow-green);
    animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(0.85); opacity: 0.6; }
}

/* --- CARDS & PANELS --- */
.card-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    box-shadow: var(--shadow-card);
    transition: border-color 0.2s ease;
    box-sizing: border-box;
    width: 100%;
}

/* Button Primary (Iconic Blue Pill) */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-hover));
    color: #ffffff;
    border: none;
    padding: 13px 36px;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    user-select: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(37, 99, 235, 0.45);
}

.btn-primary:active {
    transform: scale(0.97);
}

/* Button Secondary (Folder / Zip Buttons) */
.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    transition: all 0.15s ease;
}

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* Inset Search Input */
.search-input-box {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 11px 16px;
    color: var(--text-main);
    font-size: 13px;
    outline: none;
    transition: all 0.2s ease;
    margin-bottom: 12px;
}

.search-input-box:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}

/* --- FILE LIST & ROWS --- */
.file-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
    padding-right: 4px;
}

.file-row {
    background: transparent;
    border-radius: 12px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    transition: background 0.15s ease;
}

.file-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

.file-icon {
    font-size: 24px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-details {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.file-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-decoration: none;
    cursor: pointer;
}

.file-name:hover {
    color: var(--accent-blue);
}

.file-size {
    font-size: 12px;
    color: var(--text-sub);
}

.file-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.action-circle-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.15s ease;
}

.action-circle-btn:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #ffffff;
    transform: scale(1.05);
}

.action-circle-btn.btn-del:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: #ffffff;
}

.empty-state {
    text-align: center;
    padding: 32px 10px;
    color: var(--text-sub);
    font-size: 13px;
}

/* --- LIGHTBOX MEDIA PREVIEW MODAL --- */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(11, 17, 30, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-backdrop.open {
    display: flex;
    animation: fadeIn 0.2s ease-out;
}

.modal-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 100%;
    max-width: 820px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
    animation: scaleIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title-text {
    font-size: 16px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 80%;
}

.modal-content-area {
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
    min-height: 260px;
    max-height: calc(90vh - 140px);
}

.modal-content-area img {
    max-width: 100%;
    max-height: 60vh;
    border-radius: 12px;
    object-fit: contain;
}

.modal-content-area video {
    max-width: 100%;
    max-height: 60vh;
    border-radius: 12px;
    outline: none;
}

.modal-content-area pre {
    width: 100%;
    max-height: 55vh;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    overflow: auto;
    font-family: 'Consolas', monospace;
    font-size: 13px;
    white-space: pre-wrap;
    word-break: break-all;
}

.modal-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 0, 0, 0.1);
}

/* --- TOAST NOTIFICATIONS --- */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 12000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast-pill {
    background: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: toastSlide 0.25s ease-out;
}

/* Animations */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
@keyframes toastSlide { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* Scrollbars */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.12); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.22); }

/* --- FEEDBACK & HELP SYSTEM STYLES --- */
.feedback-category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 14px;
    width: 100%;
}

.category-chip {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.18s ease;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.category-chip:hover {
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.08);
}

.category-chip.active {
    background: rgba(59, 130, 246, 0.16);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    box-shadow: 0 0 0 1px var(--accent-blue);
}

.star-rating-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 14px;
    width: 100%;
}

.star-btn {
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
    filter: grayscale(1) opacity(0.35);
    transition: transform 0.15s ease, filter 0.15s ease;
    padding: 2px;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.star-btn:hover {
    transform: scale(1.2);
}

.star-btn.active {
    filter: grayscale(0) opacity(1);
    transform: scale(1.1);
}

.feedback-textarea {
    width: 100%;
    min-height: 110px;
    max-height: 220px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 14px;
    color: var(--text-main);
    font-size: 13px;
    font-family: inherit;
    resize: vertical;
    outline: none;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.feedback-textarea:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}

.feedback-char-count {
    font-size: 11px;
    color: var(--text-sub);
    text-align: right;
    margin-top: 4px;
    margin-bottom: 12px;
}

.diag-card {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 11px;
    color: var(--text-sub);
    margin-bottom: 14px;
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.diag-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
}

.diag-content {
    font-family: 'Consolas', monospace;
    font-size: 11px;
    padding-top: 6px;
    border-top: 1px dashed var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.diag-badge {
    background: var(--card-bg);
    padding: 2px 7px;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}