@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

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

:root {
    --color-bg: #faf8f5;
    --color-card: #ffffff;
    --color-primary: #2c2420;
    --color-accent: #8b6f4e;
    --color-accent-light: #c4a87c;
    --color-text: #2c2420;
    --color-text-light: #8c7e72;
    --color-border: #e8e0d8;
    --color-success: #5a8a5e;
    --color-success-bg: #f0f5f0;
    --color-error: #b85450;
    --color-error-bg: #faf0ef;
    --color-loading: #8b6f4e;
    --radius: 16px;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 420px;
    margin: 0 auto;
    padding: 24px 16px;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

.state {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hidden {
    display: none !important;
}

/* Loading */
.spinner {
    width: 28px;
    height: 28px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Card */
.card {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 40px 28px;
    width: 100%;
    text-align: center;
    box-shadow: 0 2px 12px rgba(44, 36, 32, 0.06);
    border: 1px solid var(--color-border);
}

.card h1 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.01em;
    margin-bottom: 28px;
    color: var(--color-primary);
}

/* Code Input */
.code-inputs {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 24px;
}

.code-inputs input {
    width: 46px;
    height: 54px;
    text-align: center;
    font-family: var(--font-body);
    font-size: 20px;
    font-weight: 500;
    border: 1.5px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-bg);
    color: var(--color-text);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    -webkit-appearance: none;
}

.code-inputs input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(139, 111, 78, 0.1);
}

.code-inputs input.shake {
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-4px); }
    40%, 80% { transform: translateX(4px); }
}

/* Buttons */
.btn {
    width: 100%;
    padding: 15px 24px;
    border: none;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s, background 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.btn:disabled:active {
    transform: none;
}

.btn-primary {
    background: var(--color-primary);
    color: #ffffff;
}

.error {
    color: var(--color-error);
    font-size: 13px;
    margin-bottom: 16px;
    font-weight: 400;
}

/* Door List */
.header {
    text-align: center;
    margin-bottom: 28px;
    width: 100%;
}

.header h1 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--color-primary);
}

.subtitle {
    color: var(--color-text-light);
    font-size: 13px;
    font-weight: 300;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-top: 6px;
}

.door-list {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.door-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 16px 20px;
    background: var(--color-card);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 400;
    color: var(--color-text);
    cursor: pointer;
    transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
    -webkit-tap-highlight-color: transparent;
    text-align: left;
    min-height: 60px;
}

.door-btn:active {
    background: var(--color-bg);
    box-shadow: 0 1px 4px rgba(44, 36, 32, 0.08);
}

.door-btn .door-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.door-btn .door-label {
    flex: 1;
    letter-spacing: 0.01em;
}

.door-btn .door-status {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.door-btn .door-status .mini-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Door states */
.door-btn.loading {
    border-color: var(--color-accent-light);
    background: rgba(196, 168, 124, 0.04);
    pointer-events: none;
}

.door-btn.success {
    border-color: var(--color-success);
    background: var(--color-success-bg);
    pointer-events: none;
}

.door-btn.success .door-icon {
    background: var(--color-success-bg);
    border-color: var(--color-success);
}

.door-btn.error {
    border-color: var(--color-error);
    background: var(--color-error-bg);
}

.door-btn.error .door-icon {
    background: var(--color-error-bg);
    border-color: var(--color-error);
}

/* Closed door: not tappable, greyed out with the existing palette (no new colours).
   Opacity must not sit on the button itself — that also fades the label/message text
   below WCAG AA (4.5:1). Mute only the background, border and icon; keep the text at
   full opacity in --color-text (--color-text-light is only ~3.7:1 on --color-bg, so it
   fails for both the label and the message). */
.door-btn.door--closed {
    background: var(--color-bg);
    border-color: var(--color-border);
    cursor: default;
    pointer-events: none;
}

.door-btn.door--closed .door-icon {
    background: var(--color-bg);
    border-color: var(--color-border);
    opacity: 0.55;
}

.door-btn.door--closed .door-message {
    color: var(--color-text);
}

/* Door status messages */
.door-btn {
    flex-wrap: wrap;
}

.door-message {
    width: 100%;
    font-size: 12px;
    font-weight: 400;
    margin-top: 2px;
    padding-left: 54px;
}

.door-message.success-text {
    color: var(--color-success);
}

.door-message.error-text {
    color: var(--color-error);
}

/* Error state page */
.error-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-error-bg);
    color: var(--color-error);
    font-size: 22px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

#state-error .card h1 {
    margin-bottom: 8px;
}

#state-error .card p {
    color: var(--color-text-light);
    font-size: 13px;
    font-weight: 300;
    line-height: 1.6;
}

#state-error .subtitle {
    margin-top: 12px;
}

.logo { max-height: 56px; max-width: 70%; margin: 0 auto 12px; display: block; }
.instructions { white-space: pre-wrap; text-align: left; font-size: 15px; line-height: 1.5; color: #4a4a45; background: #fff; border: 1px solid #e8e6df; border-radius: 12px; padding: 14px 16px; margin: 0 0 16px; }
.doors-closed-note { text-align: left; font-size: 13px; line-height: 1.5; color: var(--color-text-light); background: var(--color-card); border: 1px solid var(--color-border); border-radius: 12px; padding: 12px 14px; margin: 0 0 12px; }
.contact-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
.contact-row a { text-decoration: none; font-size: 14px; font-weight: 600; padding: 10px 14px; border-radius: 999px; border: 1px solid #e0ddd4; background: #fff; color: #2f2f2a; }
.btn-secondary { margin-top: 18px; background: #fff; color: #2f2f2a; border: 1px solid #e0ddd4; }