:root {
    --color-bg: #0d1117;
    --color-text: #c9d1d9;
    --color-primary: #238636;
    --color-stop: #da3633;
    --color-reset: #484f58;
    --contribution-level-0: #4d2800;
    --contribution-level-1: #804000;
    --contribution-level-2: #cc6600;
    --contribution-level-3: #ff8c1a;
    --contribution-level-4: #ffa64d;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

.timer-display {
    font-size: 4rem;
    font-weight: bold;
    text-align: center;
    margin: 2rem 0;
}

.timer-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-start:hover {
    background-color: #2ea043;
}

.btn-stop:hover {
    background-color: #f85149;
}

.btn-reset:hover {
    background-color: #6e7681;
}

.btn-start {
    background-color: var(--color-primary);
    color: white;
}

.btn-stop {
    background-color: var(--color-stop);
    color: white;
}

.btn-reset {
    background-color: var(--color-reset);
    color: white;
}

.contribution-container {
    padding: 20px;
    background: var(--background-secondary);
    border-radius: 10px;
    margin: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

#contribution-graph {
    display: flex;
    gap: 3px;
    margin-top: 20px;
}

.contribution-week {
    display: grid;
    grid-template-rows: repeat(7, 1fr);
    gap: 3px;
}

.contribution-day {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    background-color: #161b22;
}

.contribution-day[data-level="0"] { background-color: var(--contribution-level-0); }
.contribution-day[data-level="1"] { background-color: var(--contribution-level-1); }
.contribution-day[data-level="2"] { background-color: var(--contribution-level-2); }
.contribution-day[data-level="3"] { background-color: var(--contribution-level-3); }
.contribution-day[data-level="4"] { background-color: var(--contribution-level-4); }

.month-labels {
    display: grid;
    grid-template-columns: repeat(53, 12px);
    gap: 2px;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    font-size: 0.8rem;
}

.month-label {
    grid-column: span 4.42;
    text-align: start;
}

.nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid #30363d;
    margin-bottom: 2rem;
}

.nav-logo-text {
    color: var(--contribution-level-3);
    font-size: 1.2rem;
    font-weight: 600;
}

.nav-header a {
    color: var(--color-text);
    text-decoration: none;
}

.nav-settings {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    color: var(--contribution-level-2) !important;
    text-decoration: none;
    padding: 4px 8px;
    border-radius: 4px;
}

.nav-link:hover {
    color: var(--contribution-level-4) !important;
}

.nav-input {
    background-color: var(--color-bg);
    color: var(--color-text);
    border: 1px solid #30363d;
    width: 80px;
    padding: 0.25rem 0.5rem;
}

.nav-input:focus {
    background-color: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-primary);
}

footer {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    border-top: 1px solid #30363d;
}

footer a {
    color: var(--color-text);
    text-decoration: none;
    margin: 0 10px;
    padding: 5px 10px;
}

footer a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Pre-login homepage styles */
.home-container {
    text-align: center;
    padding: 4rem 1rem;
    max-width: 800px;
    margin: 0 auto;
}

#home-contribution-graph {
    margin: 2rem auto;
    display: grid;
    grid-template-columns: repeat(53, 12px);
    gap: 2px;
}

.contribution-day.hidden {
    opacity: 0;
    transform: scale(0.5);
}

.contribution-day {
    transition: all 0.2s ease-out;
    opacity: 1;
    transform: scale(1);
}

.home-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--contribution-level-4);
    margin-bottom: 1.5rem;
}

.home-tagline {
    font-size: 1.5rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.home-epic-quote {
    font-size: 2.5rem;
    line-height: 1.3;
    margin-bottom: 2.5rem;
    color: white;
    font-weight: 600;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.home-login-btn {
    display: inline-block;
    background-color: white;
    color: var(--color-bg);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.2s;
}

.home-login-btn:hover {
    background-color: var(--contribution-level-4);
    color: var(--color-bg);
}

.home-links {
    margin-top: 2.5rem;
}

.home-link {
    color: var(--contribution-level-3);
    text-decoration: none;
    font-size: 1.1rem;
}

.home-link:hover {
    color: var(--contribution-level-4);
    text-decoration: underline;
}

.home-footer {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.home-footer a {
    color: var(--color-text);
    text-decoration: none;
    opacity: 0.7;
}

.home-footer a:hover {
    opacity: 1;
    color: var(--contribution-level-3);
}
.profile-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.profile-name {
    color: var(--contribution-level-4);
    text-align: center;
    margin-bottom: 2rem;
}

.profile-stats {
    text-align: center;
    margin-bottom: 2rem;
}

.total-sessions {
    display: inline-block;
}

.total-sessions h2 {
    color: var(--contribution-level-3);
    font-size: 3rem;
    margin: 0;
}

.profile-section {
    margin: 2rem 0;
    padding: 1rem;
    border: 1px solid #30363d;
    border-radius: 6px;
}

.profile-section h3 {
    color: var(--contribution-level-2);
    margin-top: 0;
}

.edit-profile {
    margin-top: 3rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--contribution-level-3);
}

.form-group textarea {
    width: 100%;
    min-height: 100px;
    background: var(--color-bg);
    border: 1px solid #30363d;
    color: var(--color-text);
    padding: 0.5rem;
    border-radius: 4px;
}

.profile-section .content a {
    color: #58a6ff;
    text-decoration: underline;
}

.profile-section .content a:hover {
    color: #79b6ff;
}