/* Dollar Bill Styling - Mobile First */
:root {
    --dollar-green: #d4e8d1;
    --dollar-dark: #2d5016;
    --dollar-gold: #d4af37;
    --dollar-cream: #f5f5dc;
    --dollar-brown: #8b4513;
    --dollar-black: #1a1a1a;
    --dollar-white: #ffffff;
    --dollar-gray: #666666;
    --dollar-light-gray: #e0e0e0;
}

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

html,
body {
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    font-family: "Times New Roman", serif; /* Dollar bill font */
    background: var(--dollar-green);
    color: var(--dollar-dark);
    overflow-x: hidden;
    padding-bottom: 20px; /* Fixed padding for mobile browser address bar */
}

.app {
    max-width: 100vw;
    min-height: 100vh;
    min-height: calc(var(--vh, 1vh) * 100);
    display: flex;
    flex-direction: column;
    background: var(--dollar-green);
    padding-bottom: 20px; /* Fixed padding for mobile browser address bar */
}

/* Header */
.header {
    background: var(--dollar-dark);
    color: var(--dollar-white);
    padding: 6px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    gap: 8px;
}

.player-name {
    font-weight: bold;
    font-size: 12px;
    color: var(--dollar-gold);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 80px;
}

.room-info {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 1;
    min-width: 0;
}

.room-code {
    font-size: 11px;
    font-weight: bold;
    white-space: nowrap;
}

.room-code code {
    background: var(--dollar-gold);
    color: var(--dollar-dark);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
}

.status {
    font-size: 10px;
    color: var(--dollar-light-gray);
    white-space: nowrap;
}

/* Enhanced Lobby */
#lobby {
    padding: 20px 16px;
    text-align: center;
    background: linear-gradient(
        135deg,
        var(--dollar-green) 0%,
        #b8d8a8 25%,
        #9bc184 50%,
        #7daa60 75%,
        var(--dollar-dark) 100%
    );
    border: 3px solid var(--dollar-gold);
    border-radius: 12px;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 0 100px rgba(212, 175, 55, 0.1);
    margin: 20px auto;
    max-width: 500px;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out;
}

#lobby::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(
            circle at 20% 30%,
            rgba(255, 255, 255, 0.1) 0%,
            transparent 50%
        ),
        radial-gradient(
            circle at 80% 70%,
            rgba(255, 255, 255, 0.1) 0%,
            transparent 50%
        ),
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 5px,
            rgba(255, 255, 255, 0.05) 5px,
            rgba(255, 255, 255, 0.05) 10px
        );
    pointer-events: none;
}

.welcome-title {
    color: var(--dollar-gold);
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 8px;
    text-shadow:
        2px 2px 4px rgba(0, 0, 0, 0.5),
        0 0 10px rgba(212, 175, 55, 0.5);
    font-family: "Times New Roman", serif;
    letter-spacing: 1px;
    animation: titleGlow 2s ease-in-out infinite alternate;
}

.welcome-subtitle {
    color: var(--dollar-cream);
    font-size: 16px;
    margin-bottom: 30px;
    font-style: italic;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.landing-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
    animation: slideInButtons 1s ease-out 0.3s both;
}

.btn.large {
    padding: 18px 24px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 10px;
    border: 2px solid var(--dollar-brown);
    transition: all 0.3s ease;
    box-shadow:
        0 4px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    transform: translateY(0);
}

.btn.outline {
    background: transparent;
    color: var(--dollar-gold);
    border: 2px solid var(--dollar-gold);
    box-shadow:
        0 4px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.btn.outline:hover {
    background: var(--dollar-gold);
    color: var(--dollar-dark);
}

.btn.cancel {
    background: var(--dollar-light-gray);
    color: var(--dollar-gray);
}

.btn.cancel:hover {
    background: var(--dollar-gray);
    color: var(--dollar-white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.form-section {
    background: var(--dollar-white);
    padding: 20px;
    border-radius: 10px;
    border: 2px solid var(--dollar-gold);
    margin-top: 20px;
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.2),
        inset 0 0 20px rgba(212, 175, 55, 0.1);
    border-left: 4px solid var(--dollar-gold);
    border-right: 4px solid var(--dollar-gold);
}

.how-to-play {
    text-align: left;
    color: var(--dollar-dark);
}

.how-to-play h3 {
    color: var(--dollar-gold);
    margin-bottom: 16px;
    text-align: center;
    border-bottom: 2px solid var(--dollar-gold);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.how-to-play ol {
    margin-left: 20px;
    margin-bottom: 20px;
}

.how-to-play li {
    margin-bottom: 8px;
    line-height: 1.4;
    padding-left: 10px;
    border-left: 2px solid var(--dollar-gold);
}

.landing-buttons .btn.large:hover {
    transform: translateY(-3px);
    box-shadow:
        0 8px 16px rgba(0, 0, 0, 0.3),
        inset 0 2px 0 rgba(255, 255, 255, 0.4);
}

.landing-buttons .btn.outline:hover {
    transform: translateY(-3px);
    box-shadow:
        0 8px 16px rgba(0, 0, 0, 0.3),
        inset 0 2px 0 rgba(255, 255, 255, 0.2);
}

#lobby h2 {
    color: var(--dollar-dark);
    margin-bottom: 24px;
    font-size: 24px;
    font-weight: bold;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes titleGlow {
    from {
        text-shadow:
            2px 2px 4px rgba(0, 0, 0, 0.5),
            0 0 10px rgba(212, 175, 55, 0.5);
    }
    to {
        text-shadow:
            2px 2px 6px rgba(0, 0, 0, 0.6),
            0 0 15px rgba(212, 175, 55, 0.7);
    }
}

@keyframes slideInButtons {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group {
    margin-bottom: 16px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: bold;
    color: var(--dollar-dark);
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--dollar-brown);
    border-radius: 6px;
    font-size: 14px;
    background: var(--dollar-white);
    color: var(--dollar-dark);
    font-family: "Times New Roman", serif;
}

.buttons {
    margin-top: 10px;
    display: flex;
    gap: 6px;
    justify-content: center;
}

.btn {
    padding: 10px 16px;
    border: 1px solid var(--dollar-brown);
    border-radius: 6px;
    background: var(--dollar-cream);
    color: var(--dollar-dark);
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    font-family: "Times New Roman", serif;
    transition: all 0.2s ease;
}

.btn:hover {
    background: var(--dollar-white);
    transform: translateY(-1px);
}

.btn.primary {
    background: var(--dollar-gold);
    color: var(--dollar-dark);
}

.btn.small {
    padding: 8px 12px;
    font-size: 12px;
}

.hint {
    margin-top: 12px;
    color: var(--dollar-gray);
    font-size: 12px;
}

/* Game Room */
#room {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 4px;
    gap: 4px;
}

/* Roster Section */
.roster-section {
    background: var(--dollar-white);
    border: 2px solid var(--dollar-brown);
    border-radius: 8px;
    padding: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.roster {
    margin-bottom: 12px;
}

.roster .pill {
    display: inline-block;
    background: var(--dollar-gold);
    color: var(--dollar-dark);
    padding: 6px 12px;
    border-radius: 20px;
    margin: 2px;
    font-weight: bold;
    font-size: 14px;
}

.scores {
    font-size: 14px;
    color: var(--dollar-dark);
}

.scores div {
    margin: 4px 0;
}

/* Serial Section - Centered at top */
.serial-section {
    text-align: center;
    background: var(--dollar-white);
    border: 2px solid var(--dollar-gold);
    border-radius: 6px;
    padding: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 0 2px;
}

.serial-display {
    font-family: "Courier New", monospace;
    font-size: 16px;
    font-weight: bold;
    color: var(--dollar-dark);
    background: var(--dollar-cream);
    padding: 6px;
    border-radius: 4px;
    border: 1px solid var(--dollar-brown);
    letter-spacing: 0.5px;
}

/* Turn Indicator */
.turn-indicator {
    text-align: center;
}

.turn-pill {
    display: inline-block;
    background: var(--dollar-gold);
    color: var(--dollar-dark);
    padding: 6px 12px;
    border-radius: 16px;
    font-weight: bold;
    font-size: 14px;
    border: 2px solid var(--dollar-brown);
    transition: all 0.3s ease;
}

.turn-pill.my-turn {
    background: var(--dollar-gold);
    color: var(--dollar-dark);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    transform: scale(1.05);
}

.turn-pill.waiting {
    background: var(--dollar-light-gray);
    color: var(--dollar-gray);
    opacity: 0.7;
}

/* Chat Section - Middle */
.chat-section {
    flex: 1;
    background: var(--dollar-white);
    border: 1px solid var(--dollar-brown);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    height: 110px;
    max-height: 30vh;
    max-height: calc(var(--vh, 1vh) * 30);
    margin: 0 2px;
    margin-bottom: 15px; /* Fixed margin for mobile browser address bar */
}

.messages {
    flex: 1;
    padding: 3px 4px;
    overflow-y: auto;
    background: var(--dollar-cream);
    border-radius: 4px 4px 0 0;
    min-height: 70px;
    max-height: 25vh;
    max-height: calc(var(--vh, 1vh) * 25);
    font-size: 12px;
}

.msg {
    margin: 0.5px 0;
    padding: 1px 3px;
    font-size: 11px;
    line-height: 1.1;
}

.msg.system {
    font-weight: bold;
    text-align: left;
}

.msg.me {
    margin-left: 20px;
}

.chat-form {
    display: flex;
    gap: 6px;
    padding: 6px 8px;
    background: var(--dollar-white);
    border-radius: 0 0 10px 10px;
}

.chat-form input {
    flex: 1;
    padding: 6px;
    border: 2px solid var(--dollar-brown);
    border-radius: 4px;
    font-size: 13px;
    font-family: "Times New Roman", serif;
}

.chat-form button {
    padding: 6px 12px;
    white-space: nowrap;
    font-size: 13px;
}

/* Bid and Scores Container - Same Line */
.bid-scores-container {
    display: flex;
    gap: 4px;
    margin: 0 2px;
}

/* Bid Display */
.bid-display {
    flex: 1;
    background: var(--dollar-white);
    border: 1px solid var(--dollar-brown);
    border-radius: 4px;
    padding: 6px;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

/* Scores Section */
.scores-section {
    flex: 1;
    background: var(--dollar-white);
    border: 1px solid var(--dollar-brown);
    border-radius: 4px;
    padding: 4px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    font-size: 11px;
}

.scores {
    font-size: 11px;
    color: var(--dollar-dark);
    text-align: center;
}

.scores div {
    margin: 2px 0;
    font-weight: bold;
}

.bid-label {
    font-size: 16px;
    font-weight: bold;
    color: var(--dollar-dark);
    margin-bottom: 8px;
}

.current-bid {
    font-size: 18px;
    font-weight: bold;
    color: var(--dollar-gold);
    background: var(--dollar-dark);
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
}

/* Bidding Controls - Bottom */
.bidding-controls {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    margin: 0 2px 8px 2px;
}

.bidding-controls.disabled {
    opacity: 0.4;
    pointer-events: none;
}

.control-group {
    flex: 1;
    text-align: center;
    font-size: 12px;
}

.control-group label {
    display: block;
    margin-bottom: 4px;
    font-weight: bold;
    color: var(--dollar-dark);
    font-size: 12px;
}

.number-controls,
.digit-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.control-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--dollar-brown);
    border-radius: 6px;
    background: var(--dollar-gold);
    color: var(--dollar-dark);
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.control-btn:hover {
    background: var(--dollar-white);
    transform: scale(1.05);
}

#countInput {
    width: 50px;
    height: 36px;
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    border: 1px solid var(--dollar-brown);
    border-radius: 6px;
    background: var(--dollar-white);
    color: var(--dollar-dark);
    font-family: "Courier New", monospace;
}

.digit-display {
    width: 50px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dollar-white);
    border: 1px solid var(--dollar-brown);
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    color: var(--dollar-dark);
    font-family: "Courier New", monospace;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 8px;
    margin: 0 2px 20px 2px; /* Fixed bottom margin for mobile browser address bar */
}

.action-buttons .btn {
    flex: 1;
    padding: 10px;
    font-size: 14px;
}

.action-buttons.disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* Game Controls */
.game-controls {
    text-align: center;
    margin: 0 2px 20px 2px; /* Fixed bottom margin for mobile browser address bar */
}

.game-controls .btn {
    padding: 10px 20px;
    font-size: 14px;
}

/* Reveal Box */
.reveal {
    background: var(--dollar-white);
    border: 2px solid var(--dollar-gold);
    border-radius: 8px;
    padding: 12px;
    margin: 8px 2px 20px 2px; /* Fixed bottom margin for mobile browser address bar */
    white-space: pre-line;
    font-family: "Courier New", monospace;
    font-size: 12px;
    line-height: 1.3;
    color: var(--dollar-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    #lobby {
        padding: 12px 8px;
        margin: 10px;
        animation: none; /* Disable animations on mobile for performance */
    }

    .welcome-title {
        font-size: 24px;
        animation: none; /* Disable glow animation on mobile */
    }

    .welcome-subtitle {
        font-size: 14px;
    }

    .btn.large {
        padding: 14px 18px;
        font-size: 16px;
        transform: none; /* Disable transform animations on mobile */
    }

    .form-section {
        padding: 15px;
        animation: none; /* Disable animations on mobile */
    }

    #lobby h2 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .welcome-title {
        font-size: 20px;
    }

    .welcome-subtitle {
        font-size: 12px;
    }

    .btn.large {
        padding: 12px 16px;
        font-size: 14px;
    }

    .form-group {
        margin-bottom: 10px;
    }

    .form-group label {
        font-size: 11px;
        margin-bottom: 3px;
    }

    .form-group input {
        padding: 6px;
        font-size: 11px;
    }

    .buttons {
        margin-top: 6px;
        gap: 3px;
    }

    .btn {
        padding: 6px 10px;
        font-size: 11px;
    }

    .hint {
        font-size: 10px;
        margin-top: 8px;
    }

    #room {
        padding: 3px;
        gap: 3px;
        padding-bottom: 20px; /* Fixed padding for mobile browser address bar */
    }

    .header {
        padding: 4px 8px;
    }

    .player-name {
        font-size: 11px;
        max-width: 60px;
    }

    .room-code {
        font-size: 10px;
    }

    .roster-section {
        padding: 3px;
    }

    .serial-section {
        padding: 4px;
    }

    .serial-display {
        font-size: 16px;
        padding: 4px;
        letter-spacing: 0.5px;
    }

    .chat-section {
        height: 80px;
        max-height: 25vh;
        max-height: calc(var(--vh, 1vh) * 25);
        margin-bottom: 20px; /* Fixed margin for mobile browser address bar */
    }

    .messages {
        min-height: 60px;
        max-height: 20vh;
        max-height: calc(var(--vh, 1vh) * 20);
        padding: 1px 2px;
    }

    .msg {
        margin: 0.2px 0;
        padding: 0.3px 1px;
        font-size: 9px;
        line-height: 0.9;
    }

    .chat-form {
        padding: 3px 4px;
        gap: 3px;
    }

    .chat-form input {
        padding: 3px;
        font-size: 11px;
    }

    .chat-form button {
        padding: 3px 6px;
        font-size: 11px;
    }

    /* KEEP bidding controls horizontal */
    .bidding-controls {
        gap: 6px;
        margin-bottom: 4px;
    }

    /* KEEP action buttons horizontal */
    .action-buttons {
        gap: 6px;
        margin-bottom: 6px;
    }

    /* Extra small devices and landscape mode */
    @media (max-width: 360px),
        (max-height: 500px) and (orientation: landscape) {
        .header {
            padding: 3px 6px;
        }

        .player-name {
            font-size: 10px;
            max-width: 50px;
        }

        .room-code {
            font-size: 9px;
        }

        .status {
            font-size: 8px;
        }

        .chat-section {
            height: 70px;
            max-height: 20vh;
            max-height: calc(var(--vh, 1vh) * 20);
            margin-bottom: 20px; /* Fixed margin for mobile browser address bar */
        }

        .messages {
            min-height: 50px;
            max-height: 15vh;
            max-height: calc(var(--vh, 1vh) * 15);
        }

        .serial-display {
            font-size: 14px;
            padding: 3px;
        }

        .bidding-controls {
            flex-wrap: wrap;
        }

        .control-group {
            flex: 1 0 45%;
            margin-bottom: 4px;
        }

        .action-buttons {
            flex-wrap: wrap;
        }

        .action-buttons .btn {
            flex: 1 0 45%;
            margin-bottom: 4px;
        }
    }

    /* Landscape mode specific optimizations */
    @media (orientation: landscape) and (max-height: 500px) {
        #room {
            padding: 2px;
            gap: 2px;
        }

        .serial-section {
            padding: 2px;
        }

        .chat-section {
            height: 60px;
            max-height: 15vh;
            max-height: calc(var(--vh, 1vh) * 15);
            margin-bottom: 20px; /* Fixed margin for mobile browser address bar */
        }

        .messages {
            min-height: 45px;
            max-height: 12vh;
            max-height: calc(var(--vh, 1vh) * 12);
        }

        .bid-scores-container {
            flex-wrap: wrap;
        }

        .bid-display,
        .scores-section {
            flex: 1 0 48%;
            margin-bottom: 4px;
        }
    }

    .action-buttons .btn {
        padding: 6px 4px;
        font-size: 11px;
    }

    .control-btn {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }

    #countInput,
    .digit-display {
        width: 36px;
        height: 28px;
        font-size: 11px;
    }

    .current-bid {
        font-size: 14px;
        padding: 2px 6px;
    }

    .bid-display,
    .scores-section {
        padding: 4px;
    }
}

/* Dollar bill texture effect */
.app::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(
            circle at 20% 80%,
            rgba(255, 255, 255, 0.1) 0%,
            transparent 50%
        ),
        radial-gradient(
            circle at 80% 20%,
            rgba(255, 255, 255, 0.1) 0%,
            transparent 50%
        );
    pointer-events: none;
    z-index: -1;
}