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

:root {
    --tg-theme-bg-color: #ffffff;
    --tg-theme-secondary-bg-color: #f0f4f8;
    --tg-theme-text-color: #111827;
    --tg-theme-hint-color: #6b7280;
    --tg-theme-button-color: #3b82f6;
    --tg-theme-button-text-color: #ffffff;
    
    --accent-color: var(--tg-theme-button-color, #3b82f6);
    --bg-primary: var(--tg-theme-bg-color, #ffffff);
    --bg-secondary: var(--tg-theme-secondary-bg-color, #f0f4f8);
    --text-main: var(--tg-theme-text-color, #111827);
    --text-muted: var(--tg-theme-hint-color, #6b7280);
}

@media (prefers-color-scheme: dark) {
    :root {
        --tg-theme-bg-color: #1f2937;
        --tg-theme-secondary-bg-color: #111827;
        --tg-theme-text-color: #f9fafb;
        --tg-theme-hint-color: #9ca3af;
        --tg-theme-button-color: #3b82f6;
    }
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-main);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

.loader-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(var(--bg-secondary), 0.7);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--text-muted);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin { 
    to { transform: rotate(360deg); } 
}

.scrollable-content {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.fields-container, .preferences-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.requirement-card {
    background: var(--bg-primary);
    padding: 16px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.requirement-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.req-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.req-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
}

.req-input-val {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--text-muted);
    background: var(--bg-secondary);
    color: var(--text-main);
    font-family: inherit;
    font-size: 14px;
    transition: all 0.2s ease;
    opacity: 0.8;
}

.req-input-val:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    opacity: 1;
}

.req-input-val-cb {
    width: 22px;
    height: 22px;
    accent-color: var(--accent-color);
    cursor: pointer;
    align-self: flex-start;
}

.strict-toggle {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    min-width: 50px;
}

.strict-toggle input[type="checkbox"] {
    width: 22px;
    height: 22px;
    accent-color: var(--accent-color);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.strict-toggle input[type="checkbox"]:active {
    transform: scale(0.9);
}

.bottom-section {
    background: var(--bg-primary);
    padding: 20px 16px;
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.05);
    z-index: 10;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.comment-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
}

textarea {
    width: 100%;
    height: 100px;
    padding: 14px;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    background: var(--bg-secondary);
    color: var(--text-main);
    outline: none;
    resize: none;
    transition: all 0.2s ease;
}

textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    background: var(--bg-primary);
}

button {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--accent-color), #2563eb);
    color: #ffffff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

button:active {
    transform: translateY(1px);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 10px; }
@media (prefers-color-scheme: dark) {
    ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); }
    .requirement-card { border-color: rgba(255,255,255,0.05); background: #1f2937; }
    textarea { border-color: rgba(255,255,255,0.1); }
}