:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #770100; /* Custom Corporate Red */
    --bg-main: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --blue-accent: #3b82f6;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 1rem;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(185, 28, 28, 0.03) 0%, transparent 40%);
}

.selection-container {
    width: 100%;
    max-width: 650px;
    animation: fadeInContainer 1s ease-out;
}

@keyframes fadeInContainer {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.selection-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem 2.5rem;
    text-align: center;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.05),
        0 20px 25px -5px rgba(0, 0, 0, 0.05),
        0 40px 60px -15px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(226, 232, 240, 0.8);
    position: relative;
    overflow: hidden;
}

.main-logo {
    max-width: 220px;
    margin-bottom: 2rem;
    transition: var(--transition);
}

h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #0f172a;
    letter-spacing: -0.04em;
}

p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 2rem;
    max-width: 90%;
    margin-inline: auto;
    font-weight: 400;
}

.region-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.region-btn {
    background: var(--primary);
    border: 1px solid var(--primary);
    border-radius: 12px;
    padding: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.15);
}

.region-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.25);
    background: var(--primary-light);
    border-color: var(--primary-light);
}

.btn-icon {
    font-weight: 800;
    font-size: 0.8rem;
    opacity: 0.5;
    letter-spacing: 0.05em;
}

.btn-text {
    font-weight: 600;
    font-size: 1.05rem;
}

/* Detection Panel - Ultra Executive */
.detection-panel {
    margin-top: 1.5rem;
    background: #fcfdfe;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.98);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.detection-panel.visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.phrase-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
    max-width: 90%;
    margin-inline: auto;
}

.phrase-text#action-phrase {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.cancel-btn {
    background: #770100; /* Custom Corporate Red */
    border: none;
    color: #fff;
    padding: 0.75rem 1.75rem;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(119, 1, 0, 0.2);
}

.cancel-btn:hover {
    background: #5a0100; /* Darker shade of custom red */
    transform: translateY(-1px);
    box-shadow: 0 10px 15px -3px rgba(90, 1, 0, 0.3);
}

/* Subtle Countdown indicator */
.timer-strip {
    height: 4px;
    background: #f1f5f9;
    border-radius: 2px;
    width: 60%;
    margin: 0 auto 1.5rem;
    overflow: hidden;
    position: relative;
}

.timer-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--blue-accent);
    width: 100%;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.fade-in-delay {
    opacity: 0;
    animation: fadeIn 0.8s ease-out 0.3s forwards;
}

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

/* Mobile Responsive */
@media (max-width: 600px) {
    .region-grid {
        grid-template-columns: 1fr;
    }
    
    .selection-card {
        padding: 3.5rem 1.5rem;
    }
    
    h1 {
        font-size: 1.9rem;
    }
    
    .main-logo {
        max-width: 240px;
    }
}