/* Premium Modal Window styles */
.ad-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.ad-modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.ad-modal-container {
    background: var(--bg-card, #ffffff);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-sizing: border-box;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255,255,255,0.05) inset;
    transform: scale(0.95) translateY(20px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.ad-modal-overlay.open .ad-modal-container {
    transform: scale(1) translateY(0);
}

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

.ad-modal-header h3 {
    font-family: var(--font-heading, inherit);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary, #1e293b);
    margin: 0;
    letter-spacing: -0.02em;
}

.btn-close-ad-modal {
    background: rgba(148, 163, 184, 0.1);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-secondary, #64748b);
    transition: all 0.2s ease;
    padding: 0;
    line-height: 1;
}

.btn-close-ad-modal:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    transform: scale(1.05);
}

.ad-modal-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary, #64748b);
    line-height: 1.5;
    margin-bottom: 2rem;
}

.ad-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.ad-form-group label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary, #475569);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ad-form-group input,
.ad-form-group select,
.ad-form-group textarea {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color, #e2e8f0);
    border-radius: 10px;
    font-family: var(--font-body, inherit);
    font-size: 0.95rem;
    outline: none;
    background: var(--bg-sidebar, #f8fafc);
    color: var(--text-primary, #0f172a);
    transition: all 0.2s ease;
}

.ad-form-group input:focus,
.ad-form-group select:focus,
.ad-form-group textarea:focus {
    background: #ffffff;
    border-color: #0284c7;
    box-shadow: 0 0 0 4px rgba(2, 132, 199, 0.1);
    transform: translateY(-1px);
}

.ad-form-group textarea {
    height: 100px;
    resize: none;
}

.btn-local-ad {
    margin-top: 0.5rem;
    background: linear-gradient(135deg, #0284c7, #2563eb);
    color: white;
    font-weight: 700;
    font-size: 1.05rem;
    padding: 1rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-local-ad:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.3);
}

.ad-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (max-width: 640px) {
    .ad-form-grid {
        grid-template-columns: 1fr;
    }
}

.ad-success-msg {
    display: none;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: #065f46;
    padding: 1rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(6, 95, 70, 0.05);
    margin-top: 1rem;
}