:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --primary-color: #38bdf8;
    --secondary-color: #94a3b8;
    --accent-color: #f43f5e;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition-speed: 0.3s;
    --font-display: 'Outfit', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background:var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.app-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
    z-index: 10;
}

.glass-card {
    background: var(--card-bg);
    border: 2px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

header h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(to right, #fff, #38bdf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}



.counter-display {
    margin-bottom: 50px;
    position: relative;
}

.count-number {
    font-family: var(--font-display);
    font-size: 7rem;
    font-weight: 800;
    line-height: 1;
    display: block;
}

.controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

.btn {
    border: none;
    border-radius: 16px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    padding: 16px;
    transition: all var(--transition-speed) ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn:active {
    transform: scale(0.95);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--bg-color);
    width: 64px;
    height: 64px;
    box-shadow: 0 10px 15px -3px rgba(56, 189, 248, 0.4);
}

.btn-primary:hover {
    background-color: #7dd3fc;
    box-shadow: 0 20px 25px -5px rgba(56, 189, 248, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: red;
    color: var(--text-primary);
    width: 64px;
    height: 64px;
}

.btn-secondary:hover:not(:disabled) {
    background-color: rgb(210, 86, 86)   ;
    transform: translateY(-2px);
}

.btn-secondary:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 12px 24px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-outline:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}