:root {
    --text: #f4e2e2;
    --background: #070303;
    --primary: #c7a8a9;
    --secondary: #762329;
    --accent: #e03939;
}

body {
    background-color: var(--background);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    margin: 0;
}

/* Auth Container */
.auth-container {
    width: 100%;
    max-width: 350px;
    margin: 100px auto; /* Centered for landing page */
}

.auth-box {
    background-color: var(--background);
    border: 1px solid var(--primary);
    padding: 40px;
    text-align: center;
}

.logo {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent);
    margin-bottom: 30px;
}

input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid var(--secondary);
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--text);
    border-radius: 3px;
    box-sizing: border-box;
}

input:focus {
    outline: 1px solid var(--primary);
}

.btn-primary {
    width: 100%;
    padding: 10px;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: var(--secondary);
}

.divider {
    margin: 20px 0;
    line-height: 0.1rem;
    border-bottom: 1px solid var(--primary);
}

.divider span {
    background: var(--background);
    padding: 0 10px;
    color: var(--primary);
    font-size: 0.8rem;
}

.toggle-container a {
    color: var(--accent);
    text-decoration: none;
    font-weight: bold;
}

.hidden {
    display: none;
}

/* =========================================
   DASHBOARD SPECIFIC STYLES
   ========================================= */

.dashboard-body {
    display: block;
    height: auto;
    min-height: 100vh;
    padding: 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    background-color: var(--secondary);
    border-bottom: 2px solid var(--accent);
}

.navbar .logo {
    margin-bottom: 0;
    font-size: 1.8rem;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    margin-left: 20px;
    font-weight: bold;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary);
}

.dashboard-container {
    max-width: 900px; /* narrowed slightly for better notebook readability */
    margin: 0 auto;
    padding: 30px 20px 80px 40px; /* Extra left padding for side nav button */
}

.dashboard-header h2 {
    color: var(--primary);
    margin-bottom: 25px;
    font-weight: 600;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 2fr 1.5fr;
    gap: 20px;
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.card {
    background-color: rgba(118, 35, 41, 0.15);
    border: 1px solid var(--secondary);
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.card h3 {
    margin-top: 0;
    color: var(--accent);
    border-bottom: 1px solid var(--secondary);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.streak-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.streak-number {
    font-size: 4.5rem;
    font-weight: bold;
    color: var(--accent);
    display: block;
    line-height: 1;
}

.streak-text {
    font-size: 1.2rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.workout-list, .history-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.workout-list li, .history-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(199, 168, 169, 0.15);
}

.workout-list li:last-child, .history-list li:last-child {
    border-bottom: none;
}

.history-info strong {
    display: block;
    color: var(--text);
    font-size: 1.1rem;
}

.history-info .date {
    font-size: 0.85rem;
    color: var(--primary);
}

.duration {
    font-weight: bold;
    color: var(--accent);
}

.start-btn {
    margin-top: 20px;
    font-size: 1.1rem;
    padding: 15px;
}

/* =========================================
   NOTEBOOK WORKOUT CREATOR STYLES
   ========================================= */

.workout-header {
    margin-bottom: 30px;
    border-bottom: 2px solid var(--secondary);
    padding-bottom: 15px;
}

.workout-title-input {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
    background: transparent;
    border: none;
    border-bottom: 1px dashed transparent;
    padding: 5px 0;
    margin-bottom: 5px;
}

.workout-title-input:focus {
    outline: none;
    border-bottom: 1px dashed var(--primary);
}

.workout-subtitle {
    color: var(--text);
    margin: 0;
    opacity: 0.8;
}

.exercise-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Jupyter Notebook Style Chunk */
.exercise-chunk {
    background-color: rgba(118, 35, 41, 0.05);
    border: 1px solid var(--secondary);
    border-left: 4px solid var(--secondary); /* Unfocused state */
    padding: 20px;
    border-radius: 4px;
    transition: all 0.2s ease-in-out;
}

/* Focus state mimics Jupyter active cell */
.exercise-chunk:focus-within {
    border-left: 4px solid var(--accent);
    background-color: rgba(118, 35, 41, 0.15);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.chunk-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.chunk-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--secondary);
    padding: 5px;
    width: 80%;
}

.chunk-title:focus {
    outline: none;
    border-bottom: 1px solid var(--primary);
}

.delete-chunk-btn {
    background: transparent;
    border: none;
    color: var(--primary);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.delete-chunk-btn:hover {
    color: var(--accent);
}

.chunk-body {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.chunk-stats {
    display: flex;
    gap: 20px;
}

.chunk-stats label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: bold;
    color: var(--primary);
}

.chunk-stats input[type="number"] {
    width: 80px;
    margin-bottom: 0;
    text-align: center;
}

.chunk-desc {
    width: 100%;
    margin-bottom: 0;
}

/* Add New Chunk Button */
.add-chunk-btn {
    width: 100%;
    background-color: transparent;
    color: var(--primary);
    border: 2px dashed var(--secondary);
    padding: 15px;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 15px;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all 0.3s;
}

.add-chunk-btn:hover {
    background-color: rgba(199, 168, 169, 0.1);
    border-color: var(--primary);
    color: var(--text);
}

.finish-container {
    margin-top: 40px;
    text-align: center;
}

.finish-btn {
    font-size: 1.2rem;
    padding: 15px 40px;
    max-width: 400px;
}