/* Advanced Visual Polish */

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

:root {
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.5;
    letter-spacing: -0.01em;
}

h1, h2, h3 {
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
}

/* Enhanced Shadows and Depth */
.screen {
    box-shadow: 0 0 0 1px var(--border-color);
}

.player-setup,
.mode-selection,
.template-selection,
.custom-timers {
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.1),
        0 1px 2px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.2s ease;
}

.player-setup:hover,
.mode-selection:hover,
.template-selection:hover {
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Enhanced Buttons */
.btn-primary,
.btn-add,
.control-btn {
    font-weight: var(--font-weight-medium);
    letter-spacing: -0.01em;
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.1),
        0 1px 2px rgba(0, 0, 0, 0.06);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover,
.btn-add:hover,
.control-btn:hover {
    transform: translateY(-1px);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn-primary:active,
.btn-add:active,
.control-btn:active {
    transform: translateY(0);
    transition: transform 0.1s;
}

/* Enhanced Player Items */
.player-item {
    transition: all 0.2s ease;
    border-left-width: 4px;
    border-left-style: solid;
}

.player-item:hover {
    transform: translateX(2px);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Enhanced Game Screen */
#timer-display {
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#timer-value {
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#current-player {
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.01em;
}

/* Enhanced Player Time Cards */
.player-time {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left-width: 4px;
    border-left-style: solid;
    backdrop-filter: blur(5px);
}

.player-time:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.player-time.active {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Enhanced Form Elements */
.player-name,
.color-picker,
.time-input {
    transition: all 0.2s ease;
    font-weight: var(--font-weight-medium);
}

.player-name:focus,
.time-input:focus {
    transform: translateY(-1px);
    box-shadow: 
        0 0 0 3px rgba(33, 150, 243, 0.1),
        0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Micro-interactions */
.remove-player {
    transition: all 0.2s ease;
    font-weight: var(--font-weight-bold);
}

.remove-player:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(244, 67, 54, 0.3);
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Enhanced Animations */
.screen-transition {
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Enhanced Focus States */
*:focus {
    outline: none;
}

button:focus-visible,
input:focus-visible {
    box-shadow: 
        0 0 0 3px var(--accent-primary),
        0 0 0 6px rgba(33, 150, 243, 0.2);
}

/* Enhanced Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
    transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Enhanced Mobile Touch Targets */
@media (max-width: 768px) {
    button, input, .player-item {
        min-height: 44px;
    }
    
    .control-btn {
        min-width: 44px;
        min-height: 44px;
    }
}