:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #f1f1f1;
    --primary: #3b82f6;
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

header {
    background-color: var(--card-bg);
    padding: 0.6rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
    margin-bottom: 0.5rem;
}

.header-spacer { width: 60px; }

.header-title {
    flex: 1;
    text-align: center;
    font-size: 1.2rem;
    font-weight: bold;
}

.lang-selector {
    display: flex;
    gap: 0.5rem;
    width: 60px;
    justify-content: flex-end;
}

.lang-btn {
    color: var(--text-color);
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.3;
    transition: opacity 0.2s, transform 0.2s;
    padding: 0;
}

.lang-btn.active {
    opacity: 1;
    transform: scale(1.1);
    filter: drop-shadow(0 0 2px rgba(255,255,255,0.3));
}

.timers-grid {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 0 0.4rem 0.4rem 0.4rem;
    overflow-y: auto;
    max-width: 450px;
    width: 100%;
    margin: 0 auto;
}

.timer-card {
    background-color: var(--card-bg);
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 0.4rem 0.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    transition: all 0.3s;
}

.is-disabled .timer-title,
.is-disabled .timer-display,
.is-disabled .controls,
.is-disabled .settings-container {
    opacity: 0.3;
    pointer-events: none;
    filter: grayscale(100%);
}

@keyframes pulse-danger {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); border-color: var(--danger); background-color: #3b1515; }
    70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); border-color: var(--danger); background-color: #4a1414; }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); border-color: var(--danger); background-color: #3b1515; }
}
.timer-finished {
    animation: pulse-danger 1.5s infinite;
}

.top-row { display: flex; justify-content: space-between; align-items: center; }
.btn-toggle { background: transparent; border: none; font-size: 1rem; cursor: pointer; padding-right: 0.4rem; }
.timer-title { font-size: 0.85rem; font-weight: 600; color: var(--primary); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.timer-display { font-size: 1.2rem; font-weight: bold; font-family: monospace; text-align: center; min-width: 90px; letter-spacing: 1px; }
.controls { display: flex; gap: 0.2rem; min-width: 70px; justify-content: flex-end; }
.btn-ctrl { border: none; border-radius: 4px; font-weight: bold; cursor: pointer; color: white; padding: 0.2rem 0.4rem; font-size: 0.9rem; width: 32px; text-align: center; transition: opacity 0.2s; }
.btn-ctrl:active { opacity: 0.7; }
.btn-play { background-color: var(--success); }
.btn-pause { background-color: var(--warning); }
.btn-reset { background-color: var(--danger); }
.hidden { display: none !important; }
.settings-container { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.75rem; color: #aaa; }
.base-row { display: flex; align-items: center; gap: 0.5rem; }
input[type="number"] { background-color: #2a2a2a; color: white; border: 1px solid #444; padding: 0.1rem 0.2rem; border-radius: 4px; width: 45px; font-size: 0.75rem; text-align: center; }
.modifier-group { display: flex; align-items: center; gap: 0.3rem; }
.modifier-inline { margin-left: auto; display: flex; align-items: center; gap: 0.2rem; }
.btn-mult { background-color: #333; color: #ccc; border: 1px solid #555; padding: 0.1rem 0.3rem; border-radius: 4px; font-size: 0.75rem; cursor: pointer; flex: 1; text-align: center; }
.btn-mult.active { background-color: var(--primary); color: white; border-color: var(--primary); font-weight: bold; }