/* Apple Engine Style Design System */

/* Font Stack - Apple San Francisco */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
body { 
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Inter', sans-serif;
}

/* Color Tokens */
:root {
    --color-bg: transparent;
    --color-surface: rgba(28, 28, 30, 0.4);
    --color-surface-solid: #1C1C1E;
    --color-accent: #007AFF;
    --color-success: #34C759;
    --color-text-primary: #F5F5F7;
    --color-text-secondary: #86868B;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-hover: rgba(255, 255, 255, 0.15);
}

/* Base Styles */
body {
    background: transparent !important;
    background-color: transparent !important;
    color: var(--color-text-primary);
    font-size: 13px;
    line-height: 1.5;
}

/* Glassmorphism Surface */
.section-card {
    background: var(--color-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 0.5px solid var(--color-border);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

/* Input Styles */
.input-style {
    background: rgba(28, 28, 30, 0.3);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 0.5px solid var(--color-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--color-text-primary);
    font-size: 13px;
    transition: all 500ms ease-out;
    width: 100%;
}

.input-style:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(28, 28, 30, 0.5);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.input-style::placeholder {
    color: var(--color-text-secondary);
}

/* Button Primary */
.button-primary {
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 10px 20px;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: -0.01em;
    transition: all 500ms ease-out;
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.button-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.4);
}

.button-primary:active {
    transform: scale(0.95);
}

.button-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* List Item Card */
.list-item-card {
    background: var(--color-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 0.5px solid var(--color-border);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    align-items: center;
    transition: all 500ms ease-out;
    cursor: pointer;
}

.list-item-card:hover {
    background: rgba(28, 28, 30, 0.6);
    border-color: var(--color-border-hover);
    transform: scale(1.01);
}

/* Text Shadow */
.shadow-text {
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.02em;
    font-weight: 600;
    color: var(--color-text-primary);
}

h1 { font-size: 28px; }
h2 { font-size: 22px; }
h3 { font-size: 18px; }
h4 { font-size: 15px; }

.label-small {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
}

/* Background animations */
@keyframes pulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

@keyframes bounce {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(5vw, -5vh) scale(1.05); }
    50% { transform: translate(-3vw, 3vh) scale(0.95); }
    75% { transform: translate(-5vw, -3vh) scale(1.05); }
}

/* Мобильная адаптация для анимаций */
@media (max-width: 768px) {
    @keyframes pulse {
        0%, 100% { opacity: 0.5; transform: scale(1); }
        50% { opacity: 0.8; transform: scale(1.15); }
    }
    
    @keyframes bounce {
        0%, 100% { transform: translate(0, 0) scale(1); }
        25% { transform: translate(8vw, -8vh) scale(1.08); }
        50% { transform: translate(-5vw, 5vh) scale(0.92); }
        75% { transform: translate(-8vw, -5vh) scale(1.08); }
    }
}