/* Reset en basis styling */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    background: #1a1a1a;
}

/* Container voor alle schermen */
.container {
    width: 100vw;
    height: 100vh;
    position: relative;
}

/* Timer border animatie rondom scherm */
.timer-border {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 1000;
}

.timer-bar {
    position: absolute;
    background: white;
}

/* Top balk */
.timer-top {
    top: 0;
    left: 0;
    height: 8px;
    width: 0;
}

/* Right balk */
.timer-right {
    top: 0;
    right: 0;
    width: 8px;
    height: 0;
}

/* Bottom balk */
.timer-bottom {
    bottom: 0;
    right: 0;
    height: 8px;
    width: 0;
}

/* Left balk */
.timer-left {
    bottom: 0;
    left: 0;
    width: 8px;
    height: 0;
}

/* Timer animatie - elke balk is 1/4 van totale tijd */
.timer-active .timer-top {
    animation: fillWidth calc(var(--timer-duration) / 4) linear forwards;
}

.timer-active .timer-right {
    animation: fillHeight calc(var(--timer-duration) / 4) linear forwards;
    animation-delay: calc(var(--timer-duration) / 4);
}

.timer-active .timer-bottom {
    animation: fillWidth calc(var(--timer-duration) / 4) linear forwards;
    animation-delay: calc(var(--timer-duration) / 2);
}

.timer-active .timer-left {
    animation: fillHeight calc(var(--timer-duration) / 4) linear forwards;
    animation-delay: calc(var(--timer-duration) * 3 / 4);
}

@keyframes fillWidth {
    from { width: 0; }
    to { width: 100vw; }
}

@keyframes fillHeight {
    from { height: 0; }
    to { height: 100vh; }
}

/* Stellingen scherm - 50/50 split */
.statement-screen {
    display: flex;
    width: 100%;
    height: 100%;
}

.statement {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.statement p {
    color: white;
    font-weight: bold;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    line-height: 1.4;
}

/* Overlay met knop (over stellingen heen) */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    z-index: 500;
}

.next-button {
    padding: 1.5rem 3rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    background: #3B82F6;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.next-button:hover {
    background: #2563EB;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.6);
}

.next-button:active {
    transform: translateY(0);
}

/* Eind scherm */
.finish-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: #1a1a1a;
}

.finish-screen h1 {
    color: white;
    font-weight: bold;
    text-align: center;
    padding: 2rem;
}

/* Helper classes */
.hidden {
    display: none !important;
}