@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --brand-blue: #194eb9;
    --brand-orange: #f08000;
    --brand-dark: #112b60;
    --primary: #194eb9;
    --primary-foreground: #f8fafc;
    --secondary: #f1f5f9;
    --secondary-foreground: #0f172a;
    --accent: #194eb9;
    --accent-hover: #112b60;
    --destructive: #ef4444;
    --background: #ffffff;
    --foreground: #333333;
    --muted: #f8fafc;
    --muted-foreground: #64748b;
    --border: #e2e8f0;
    --radius: 0.75rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', "Segoe UI", "Open Sans", "Helvetica Neue", "MWF-MDL2", "Helvetica,Arial,sans-serif";
    background-color: #f1f5f9;
    color: var(--foreground);
    -webkit-font-smoothing: antialiased;
}

.app-container {
    font-family: "Inter", "Segoe UI", "Open Sans", "Helvetica Neue", "MWF-MDL2", "Helvetica,Arial,sans-serif";
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out forwards;
    opacity: 0;
}

.animate-bounce-in {
    animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Header */
.tool-header {
    text-align: center;
    padding-bottom: 1rem;
}

.tool-header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.tool-header .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tool-header .logo-icon {
    background: var(--primary);
    color: white;
    padding: 8px;
    border-radius: 12px;
    display: flex;
    box-shadow: var(--shadow);
}

.tool-header .logo h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    color: var(--primary);
}

.subtitle {
    color: var(--muted-foreground);
    font-size: 1.125rem;
    max-width: 600px;
}

/* Layout Grid */
.layout-grid {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

@media (min-width: 850px) {
    .layout-grid {
        display: grid;
        grid-template-columns: 320px 1fr;
        align-items: start;
        gap: 3rem;
    }

    .sidebar {
        position: sticky;
        top: 2rem;
        height: fit-content;
    }
}

/* Cards */
.card {
    background-color: var(--background);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
    margin-bottom: 1.5rem;
    position: relative;
}

.card:last-child {
    margin-bottom: 0;
}

.card:hover {
    box-shadow: var(--shadow);
    border-color: #cbd5e1;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    border-top-left-radius: var(--radius);
    border-top-right-radius: var(--radius);
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
}

.card-body {
    padding: 1.5rem;
}

/* Sidebar Specifics */
.sidebar-info {
    margin-top: 1.5rem;
    padding: 1rem;
    background-color: #f8fafc;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--muted-foreground);
}

.faq-section-sidebar {
    margin-top: 2rem;
    padding: 1.5rem;
}

.faq-section-sidebar h3 {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted-foreground);
    margin-bottom: 1rem;
}

.faq-section-sidebar ul {
    list-style: none;
    padding: 0;
}

.faq-section-sidebar li {
    font-size: 0.875rem;
    color: var(--foreground);
    margin-bottom: 0.5rem;
    padding-left: 1.25rem;
    position: relative;
}

.faq-section-sidebar li::before {
    content: "•";
    color: var(--accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

/* --- Custom Select Styles --- */

.select-wrapper {

    position: relative;

    width: 100%;

}



.select-icon {

    position: absolute;

    left: 1rem;

    top: 50%;

    transform: translateY(-50%);

    width: 1.2rem;

    height: 1.2rem;

    color: var(--muted-foreground);

    pointer-events: none;

    z-index: 10;

    display: flex;

    align-items: center;

    justify-content: center;

}



/* Hide the native select */

.select-wrapper select {

    display: none;

}



.custom-select-trigger {

    position: relative;

    display: flex;

    align-items: center;

    justify-content: space-between;

    width: 100%;

    padding: 0.75rem 1.25rem 0.75rem 2.75rem;
    /* Increased left padding for icon */

    font-size: 0.9rem;

    background-color: var(--background);

    border: 1px solid var(--border);

    border-radius: 9999px;
    /* Pill */

    color: var(--foreground);

    cursor: pointer;

    transition: all 0.2s;

    user-select: none;

}

.custom-select-trigger:hover {
    border-color: #94a3b8;
    background-color: #f8fafc;
}

.custom-select-trigger.open {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.custom-select-trigger.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: #f1f5f9;
}

.custom-options {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.custom-select-trigger.open+.custom-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.custom-option {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    color: var(--foreground);
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.1s;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.custom-option:hover {
    background-color: #f1f5f9;
}

.custom-option.selected {
    background-color: #eff6ff;
    color: var(--accent);
    font-weight: 500;
}

.custom-option.disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
}

/* Arrow icon in trigger */
.arrow {
    width: 16px;
    height: 16px;
    transition: transform 0.2s;
    color: var(--muted-foreground);
    margin-left: 8px;
}

.custom-select-trigger.open .arrow {
    transform: rotate(180deg);
}

/* Upload Zone */
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 6rem 3rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: #fdfdfd;
    position: relative;
}

.drop-zone:hover {
    border-color: var(--accent);
    background-color: #eff6ff;
}

.drop-zone.drag-over {
    border-color: var(--accent);
    background-color: #eff6ff;
    box-shadow: 0 0 0 10px rgba(59, 130, 246, 0.1);
}

.drop-zone input {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-icon-wrapper {
    background: #e0f2fe;
    color: var(--accent);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: transform 0.3s;
}

.drop-zone:hover .upload-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.drop-text {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
}

.drop-subtext {
    font-size: 0.9rem;
    color: var(--muted-foreground);
    margin-top: 0.5rem;
}

/* Selection Area */
.selection-area {
    margin-top: 2rem;
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
}

.selection-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.selection-header .badge {
    margin-left: 0.5rem;
}

.selection-header #clearBtn {
    margin-right: 0.5rem;
}

.badge {
    background: var(--secondary);
    color: var(--secondary-foreground);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Pending List */
.pending-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    padding-right: 0.5rem;
    padding-left: 0.5rem;
}

.pending-list::-webkit-scrollbar {
    width: 6px;
}

.pending-list::-webkit-scrollbar-track {
    background: transparent;
}

.pending-list::-webkit-scrollbar-thumb {
    background-color: #cbd5e1;
    border-radius: 20px;
}

.pending-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.8rem;
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    transition: all 0.2s;
    animation: slideInRight 0.3s ease-out forwards;
}

.pending-item:hover {
    border-color: #cbd5e1;
    background: #f1f5f9;
}

.pending-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 80%;
    color: var(--foreground);
}

.pending-remove {
    cursor: pointer;
    color: var(--muted-foreground);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s;
}

.pending-remove:hover {
    background-color: #fee2e2;
    color: #ef4444;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1rem;
    padding-right: 0.5rem;
    padding-bottom: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: calc(var(--radius) - 2px);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    letter-spacing: 0.01em;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
    min-width: 180px;
    box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.2);
}

.btn-primary:hover:not(:disabled) {
    background-color: #1e293b;
    box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.3);
    transform: translateY(-1px);
}

.btn-ghost {
    background-color: transparent;
    color: var(--muted-foreground);
    padding: 0.5rem 1rem;
}

.btn-ghost:hover {
    background-color: var(--secondary);
    color: var(--foreground);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--foreground);
}

.btn-outline:hover {
    background-color: #fff;
    border-color: #cbd5e1;
}

.text-red {
    color: var(--destructive);
}

.text-red:hover {
    background-color: #fee2e2;
    color: #b91c1c;
    border-color: #fee2e2;
}

.btn-success {
    background-color: #10b981;
    color: white;
    min-width: 200px;
}

.btn-success:hover {
    background-color: #059669;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    padding-right: 0.5rem;
}

/* Progress Bar */
.progress-container {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--foreground);
}

#timeRemaining {
    color: var(--muted-foreground);
    font-variant-numeric: tabular-nums;
}

.progress-bar-track {
    width: 100%;
    height: 12px;
    background-color: var(--secondary);
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--accent);
    border-radius: 9999px;
    transition: width 0.3s ease;
    background-image: linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent);
    background-size: 1rem 1rem;
    animation: progress-stripes 1s linear infinite;
}

@keyframes progress-stripes {
    0% {
        background-position: 1rem 0;
    }

    100% {
        background-position: 0 0;
    }
}

/* Status Container */
.status-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.file-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: all 0.3s;
    position: relative;
    animation: slideUp 0.3s ease-out forwards;
}

.file-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.card-remove-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transition: all 0.2s;
    z-index: 10;
    color: var(--muted-foreground);
    border: 1px solid var(--border);
}

.file-card:hover .card-remove-btn {
    opacity: 1;
}

.card-remove-btn:hover {
    background: #fee2e2;
    color: #ef4444;
    border-color: #fca5a5;
    transform: scale(1.1);
}

.file-preview {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background-color: #f8fafc;
    border-radius: calc(var(--radius) - 4px);
    transition: transform 0.3s;
}

.file-info {
    width: 100%;
}

.file-name {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.25rem;
    color: var(--foreground);
    padding-right: 20px;
    /* Space for close button */
}

.file-status {
    font-size: 0.8rem;
    color: var(--muted-foreground);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Mobile specific fixes */
@media (max-width: 768px) {
    .app-container {
        padding: 1rem;
        gap: 2rem;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .btn-primary,
    .btn-success,
    #clearResultsBtn {
        width: 100%;
        min-width: 0;
    }

    .card-remove-btn {
        opacity: 1;
        /* Always show on mobile */
    }
}