@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

:root {
    --primary-color: #6C63FF;
    --secondary-color: #FF6B6B;
    --background-color: #F8F9FE;
    --text-color: #2D3436;
    --rest-color: #4CAF50;
    --work-color: #FF6B6B;
}

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        linear-gradient(135deg, var(--primary-color) 25%, transparent 25%) -50px 0,
        linear-gradient(225deg, var(--primary-color) 25%, transparent 25%) -50px 0,
        linear-gradient(315deg, var(--primary-color) 25%, transparent 25%),
        linear-gradient(45deg, var(--primary-color) 25%, transparent 25%);
    background-size: 100px 100px;
    background-color: var(--background-color);
    opacity: 0.05;
    animation: patternMove 60s linear infinite;
}

@keyframes patternMove {
    from {
        background-position: 0 0;
    }
    to {
        background-position: 100px 100px;
    }
}

.container {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    max-width: 90%;
    width: 700px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(108, 99, 255, 0.15);
}

h1 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-weight: 600;
}

.timer {
    font-size: 5rem;
    margin: 1.5rem 0;
    font-weight: 600;
    color: var(--primary-color);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.progress-bar {
    width: 100%;
    height: 12px;
    background-color: #eee;
    border-radius: 10px;
    margin: 1.5rem 0;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.progress {
    height: 100%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    transition: width 1s linear;
    border-radius: 10px;
}

button {
    padding: 12px 24px;
    margin: 8px;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    border-radius: 50px;
    background: var(--primary-color);
    color: white;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.2);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.3);
}

.phase {
    font-size: 1.5rem;
    margin: 1rem 0;
    font-weight: 600;
    color: var(--primary-color);
}

.settings {
    margin: 2rem 0;
}

.settings input {
    margin: 8px;
    padding: 10px;
    width: 120px;
    border: 2px solid #eee;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-align: center;
}

.settings input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
}

.settings div {
    margin: 1rem 0;
}

.settings label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.hidden {
    display: none;
}

.setup-btn {
    margin-top: 1.5rem;
    padding: 15px 40px;
    font-size: 1.2rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
}

.completed {
    color: var(--secondary-color);
    font-size: 2rem;
    font-weight: bold;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

/* Responsive tasarım için */
@media (max-width: 600px) {
    .container {
        padding: 1rem;
        width: 95%;
    }

    .timer {
        font-size: 3.5rem;
    }

    .phase {
        font-size: 1.2rem;
    }

    button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Çalışma ve dinlenme modları için farklı renkler */
.work-mode .progress {
    background: linear-gradient(45deg, var(--work-color), #ff8f8f);
}

.rest-mode .progress {
    background: linear-gradient(45deg, var(--rest-color), #6FCF97);
}