:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --border-glass: rgba(255, 255, 255, 0.1);
    --primary: #38bdf8;
    --primary-glow: rgba(56, 189, 248, 0.5);
    --secondary: #818cf8;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(56, 189, 248, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(129, 140, 248, 0.15), transparent 25%);
    overflow-x: hidden;
}

.header {
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid var(--border-glass);
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header h1 {
    font-weight: 700;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    color: transparent;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.header .btn-start {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

.header-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.stats-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    border-radius: 99px;
    font-size: 0.95rem;
    color: var(--text-muted);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.stats-badge .stats-value {
    color: var(--primary);
    font-weight: 700;
    font-family: monospace;
    text-shadow: 0 0 10px var(--primary-glow);
}

.search-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1.2rem;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

textarea.search-input {
    resize: vertical;
    min-height: 80px;
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
    background: rgba(255, 255, 255, 0.1);
}

select.search-input {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

select.search-input option {
    background-color: var(--bg-dark);
    color: var(--text-main);
}

.search-input-number {
    text-align: center;
}

.btn {
    padding: 0.75rem 2rem;
    border-radius: 99px;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.5);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: wait;
    transform: none;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.2);
}

.btn-cancel {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-glass);
    box-shadow: none;
}

.btn-cancel:hover {
    box-shadow: none;
    background: rgba(255, 255, 255, 0.12);
}

.board {
    display: flex;
    flex: 1;
    gap: 1.5rem;
    padding: 2rem 3rem;
    overflow-x: auto;
    align-items: flex-start;
}

.column {
    flex: 1 1 320px;
    min-width: 320px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 230px);
    overflow-y: auto;
    backdrop-filter: blur(10px);
}

.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    z-index: 200;
}

.modal-overlay.show {
    display: flex;
}

.modal {
    width: min(760px, 100%);
    background: rgba(15, 23, 42, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
    padding: 2rem;
    position: relative;
}

.modal h2 {
    margin-bottom: 1rem;
    font-size: 1.35rem;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 1.3rem;
    cursor: pointer;
}

.modal form {
    display: grid;
    gap: 1rem;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}

.card-summary {
    margin-top: 0.6rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-detail {
    margin-top: 0.4rem;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.column-header {
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 1rem;
    border-bottom: 1px solid var(--border-glass);
    background: rgba(15, 23, 42, 0.88);
    backdrop-filter: blur(10px);
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 0.9rem 0.95rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    transition: transform 0.2s, box-shadow 0.2s;
    animation: slideIn 0.3s ease-out forwards;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
    border-color: rgba(255,255,255,0.2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.card-title {
    font-weight: 600;
    font-size: 1.05rem;
    color: #fff;
    word-break: break-word;
}

.card-title a {
    color: inherit;
    text-decoration: none;
}

.card-score {
    font-size: 0.8rem;
    font-weight: bold;
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    background: rgba(255,255,255,0.1);
}

.score-high { color: var(--success); }
.score-medium { color: var(--warning); }
.score-low { color: var(--danger); }

.card-body {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.fit-label.score-high { color: var(--success); }
.fit-label.score-medium { color: var(--warning); }
.fit-label.score-low { color: var(--danger); }

.card-match {
    margin-top: 0.4rem;
    padding-top: 0.4rem;
    border-top: 1px dashed rgba(255,255,255,0.1);
    font-style: italic;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-contact {
    margin-top: 0.4rem;
    font-size: 0.78rem;
    color: var(--primary);
}

.column-header .count {
    background: rgba(255,255,255,0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
}

.col-searching .column-header { border-bottom-color: var(--primary); }
.col-validation .column-header { border-bottom-color: var(--warning); }
.col-waiting .column-header { border-bottom-color: #a855f7; }
.col-approved .column-header { border-bottom-color: var(--secondary); }
.col-blocked .column-header { border-bottom-color: var(--danger); }
.col-success .column-header { border-bottom-color: var(--success); }

.cards-container {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-sm {
    flex: 1;
    padding: 0.5rem;
    border-radius: 8px;
    border: none;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-approve {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.btn-approve:hover {
    background: var(--success);
    color: white;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.searching-indicator {
    display: none;
    text-align: center;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--primary);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; text-shadow: 0 0 8px var(--primary-glow); }
    100% { opacity: 0.5; }
}

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid var(--primary);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

@media (max-width: 1024px) {
    .board {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1.5rem 1rem;
    }

    .header h1 {
        font-size: 1.8rem;
    }

    .board {
        padding: 1rem;
        gap: 1rem;
    }

    .column {
        min-width: 280px;
        max-height: none;
    }

    .modal {
        padding: 1.5rem;
    }

    .search-input {
        flex: 1 1 100%;
        min-width: 0;
    }

    .search-input-number {
        flex-basis: 100%;
        max-width: 100%;
    }

    .modal-actions {
        justify-content: stretch;
    }

    .modal-actions .btn {
        width: 100%;
    }

    .toast {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }
}