:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --background-color: #f5f6fa;
    --text-color: #2c3e50;
    --border-color: #dcdde1;
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

header {
    background-color: var(--primary-color);
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-links a {
    color: white;
    text-decoration: none;
    margin-left: 2rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--secondary-color);
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.section {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

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

h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.input-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .input-section {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .nav-links a {
        margin-left: 0;
        font-size: 0.9rem;
    }
}

.player-input textarea {
    width: 100%;
    height: 200px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    resize: vertical;
    font-family: inherit;
}

.table-settings {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.setting-group {
    background-color: var(--background-color);
    padding: 1.5rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.setting-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.setting-group input[type="number"] {
    width: 80px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-left: 0.5rem;
}

.setting-group input[type="checkbox"] {
    margin-right: 0.5rem;
}

#uniformSettings, #customSettings {
    margin-left: 1.5rem;
    margin-top: 0.5rem;
}

.table-size-input {
    margin-bottom: 0.5rem;
}

#addTableSize {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
}

.primary-button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.3s;
}

.primary-button:hover {
    background-color: #2980b9;
}

.secondary-button {
    background-color: transparent;
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.secondary-button:hover {
    background-color: var(--secondary-color);
    color: white;
}

.results-section {
    margin-top: 2rem;
}

.help-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.help-card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

.help-card:hover {
    transform: translateY(-5px);
}

.help-card h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.help-card p {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.help-card ul {
    list-style-type: none;
    padding: 0;
}

.help-card li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.help-card li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.help-card strong {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .help-content {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .help-card {
        padding: 1rem;
    }
}

footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--primary-color);
    color: white;
    margin-top: 2rem;
}

/* Table display styles */
.table-display {
    background-color: var(--background-color);
    padding: 1.5rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.table-display h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.player-list {
    list-style: none;
}

.player-list li {
    padding: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.player-list li:last-child {
    border-bottom: none;
}

.position-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-left: 0.5rem;
    color: white;
}

.position-badge.dealer {
    background-color: #4a6fa5;
}

.position-badge.small-blind {
    background-color: #6b8cae;
}

.position-badge.big-blind {
    background-color: #8ba9c9;
}

/* Strategy section specific styles */
#strategy .help-card,
#tools .help-card {
    background-color: var(--background-color);
    border-left: 4px solid var(--secondary-color);
    transition: transform 0.3s ease;
}

#strategy .help-card:hover,
#tools .help-card:hover {
    transform: translateX(5px);
}

/* Strategy Page Styles */
.strategy-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.strategy-section {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.strategy-section h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
}

.strategy-card {
    background-color: var(--background-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.strategy-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.strategy-card h3 {
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.strategy-card p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.strategy-card ul {
    list-style-type: none;
    padding-left: 1.5rem;
}

.strategy-card ul li {
    position: relative;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
}

.strategy-card ul li:before {
    content: "•";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

@media (max-width: 768px) {
    .strategy-section {
        padding: 1.5rem;
    }

    .strategy-card {
        padding: 1.2rem;
    }

    .strategy-section h2 {
        font-size: 1.5rem;
    }

    .strategy-card h3 {
        font-size: 1.2rem;
    }
}

/* Blind Timer Page Styles */
.timer-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.timer-display {
    background-color: var(--primary-color);
    color: white;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.current-level {
    margin-bottom: 2rem;
}

.current-level h2 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.level-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

#currentLevel {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.blind-amounts {
    display: flex;
    gap: 2rem;
    font-size: 1.2rem;
}

.small-blind, .big-blind {
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.timer {
    margin-top: 2rem;
}

#timeDisplay {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    font-family: monospace;
}

.timer-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Blind Structure Styles */
.blind-settings {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-top: 2rem;
}

.blind-levels {
    margin-top: 1.5rem;
}

.blind-level-header {
    display: grid;
    grid-template-columns: 0.5fr 1fr 1fr 1fr 0.5fr;
    gap: 1rem;
    background-color: var(--primary-color);
    color: white;
    font-weight: 500;
    border-radius: 4px 4px 0 0;
    margin-bottom: 0;
}

.blind-level-header span {
    padding: 1rem;
    text-align: center;
}

.blind-level {
    display: grid;
    grid-template-columns: 0.5fr 1fr 1fr 1fr 0.5fr;
    gap: 1rem;
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    transition: background-color 0.2s ease;
}

.blind-level:hover {
    background-color: var(--background-color);
}

.blind-level:last-child {
    border-bottom: none;
}

.blind-level span {
    padding: 0.5rem;
    text-align: center;
    font-weight: 500;
}

.blind-level input {
    width: calc(100% - 1rem);
    margin: 0.5rem;
    padding: 0.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.9rem;
}

.blind-level .actions {
    padding: 0.5rem;
    text-align: center;
}

.blind-level .actions .secondary-button {
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
}

#addBlindLevel {
    margin-top: 1rem;
    width: 100%;
}

.timer-settings {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.timer-settings .setting-group {
    margin-bottom: 1rem;
}

.timer-settings label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.timer-settings input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .blind-level-header,
    .blind-level {
        grid-template-columns: 0.5fr 1fr 1fr 1fr;
        font-size: 0.9rem;
    }

    .blind-level-header span:last-child,
    .blind-level .actions {
        display: none;
    }

    .blind-level input {
        padding: 0.4rem;
        font-size: 0.9rem;
    }
}