/* ===================================
   SLEEK DARK THEME - NO ANIMATIONS OR ROUNDED CORNERS
   =================================== */

/* CSS Variables */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --bg-elevated: #181818;
    
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-tertiary: #707070;
    
    --accent-primary: #4a9eff;
    --accent-hover: #1a2a3a;
    --accent-danger: #ff4a4a;
    
    --border-color: #2a2a2a;
    --border-hover: #3a3a3a;
    
    /* Elevation shadows - no blur, hard shadows only */
    --shadow-1dp: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-4dp: 0 4px 8px rgba(0, 0, 0, 0.6);
    --shadow-8dp: 0 8px 16px rgba(0, 0, 0, 0.8);
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

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

html, body {
    width: 100%;
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

/* Remove rounded corners globally */
* {
    border-radius: 0 !important;
}

/* ===================================
   TYPOGRAPHY
   =================================== */

h1 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--text-primary);
}

p {
    margin-bottom: 12px;
    color: var(--text-secondary);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

small {
    font-size: 14px;
    color: var(--text-tertiary);
}

/* ===================================
   CONTAINER & LAYOUT
   =================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    min-height: 100vh;
}

header {
    padding: 24px 0;
    margin-bottom: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ===================================
   UNIFIED PREDICTION CARDS - ELEVATED
   =================================== */

.prediction-card,
.prediction-card,
.child-prediction-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-4dp);
    padding: 20px;
    margin-bottom: 16px;
    cursor: pointer;
    transition: box-shadow 0.2s, background-color 0.2s;
}

.prediction-card:hover,
.prediction-card:hover,
.child-prediction-card:hover {
    background-color: var(--bg-elevated);
    box-shadow: var(--shadow-8dp);
}

.prediction-card .username,
.prediction-card .username,
.child-prediction-card .username {
    font-size: 12px;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.prediction-card .text,
.prediction-card .text,
.child-prediction-card .text,
.prediction-text,
.child-prediction-text {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.prediction-card .predicted-date,
.prediction-card .predicted-date,
.prediction-date,
.child-prediction-meta {
    font-size: 12px;
    color: var(--text-tertiary);
}

.question-indicator {
    font-size: 12px;
    color: var(--accent-primary);
    margin-bottom: 8px;
    font-weight: 500;
}

.parent-prediction-indicator {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

/* ===================================
   NAVIGATION & AUTH STATUS
   =================================== */

.auth-status {
    display: flex;
    gap: 16px;
    align-items: center;
}

.nav-link {
    color: var(--accent-primary);
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--accent-primary);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
}

.nav-link:hover {
    background-color: var(--accent-hover);
    text-decoration: none;
}

.logout-btn {
    color: var(--accent-danger);
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--accent-danger);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
}

.logout-btn:hover {
    background-color: rgba(255, 74, 74, 0.1);
}

.back-link {
    color: var(--accent-primary);
    font-size: 14px;
    text-decoration: none;
}

.back-link:hover {
    text-decoration: underline;
}

/* ===================================
   BUTTONS
   =================================== */

button,
.action-button,
.link-button {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.2s;
}

button:hover,
.action-button:hover,
.link-button:hover {
    background-color: #3a8eef;
    text-decoration: none;
}

button:disabled {
    background-color: var(--border-color);
    cursor: not-allowed;
}

.share-button,
.repredictButton {
    background-color: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    padding: 10px 20px;
    margin-right: 8px;
}

.share-button:hover,
.repredictButton:hover {
    background-color: var(--accent-hover);
}

/* ===================================
   FORMS & INPUTS
   =================================== */

.auth-form,
.prediction-form {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-4dp);
    padding: 32px;
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

input[type="text"],
input[type="tel"],
input[type="email"],
input[type="password"],
input[type="date"],
textarea {
    width: 100%;
    padding: 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 16px;
    font-family: inherit;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

input:read-only {
    background-color: var(--bg-primary);
    color: var(--text-tertiary);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===================================
   TABS
   =================================== */

.tabs {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.tab-button {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-bottom: 3px solid transparent;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
}

.tab-button.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.tab-button:hover {
    color: var(--text-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ===================================
   LISTS & GRIDS
   =================================== */

.predictions-list,
.questions-list,
.child-predictions-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.predictions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-tertiary);
}

/* ===================================
   PREDICTION DETAIL VIEW
   =================================== */

.prediction-detail-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 24px;
}

.prediction-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

#prediction-table {
    width: 100%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-4dp);
}

#prediction-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

#prediction-table td:first-child {
    font-weight: 500;
    color: var(--text-secondary);
    width: 120px;
}

#prediction-table td:last-child {
    color: var(--text-primary);
}

#prediction-table tr:last-child td {
    border-bottom: none;
}

.share-container {
    margin-top: 24px;
    padding: 20px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

/* ===================================
   QUESTION PAGES
   =================================== */

.question-text {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.question-context {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 20px;
    margin-bottom: 24px;
}

.question-meta,
.prediction-meta {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-top: 8px;
}

.prediction-actions {
    display: flex;
    gap: 12px;
    margin: 24px 0;
}

.child-predictions {
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.user-answer-highlight {
    border-left: 3px solid var(--accent-primary);
    padding-left: 17px;
}

.your-answer-badge {
    color: var(--accent-primary);
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    margin-left: 8px;
}

/* ===================================
   USER PROFILE
   =================================== */

.user-profile-content {
    max-width: 900px;
    margin: 0 auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-4dp);
    padding: 24px;
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===================================
   MESSAGES & FEEDBACK
   =================================== */

.message {
    padding: 16px;
    margin: 16px 0;
    border: 1px solid var(--border-color);
}

.message.error {
    background-color: rgba(255, 74, 74, 0.1);
    border-color: var(--accent-danger);
    color: var(--accent-danger);
}

.message.success {
    background-color: rgba(74, 158, 255, 0.1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.username-feedback {
    font-size: 14px;
    margin-top: 8px;
}

.username-feedback.available {
    color: #4aff90;
}

.username-feedback.taken {
    color: var(--accent-danger);
}

.username-feedback.checking {
    color: var(--text-tertiary);
}

/* ===================================
   ACTIONS & UTILITY
   =================================== */

.actions {
    margin-top: 24px;
    text-align: center;
}

.username-link,
.child-username {
    color: var(--accent-primary);
    font-weight: 500;
}

.username-link:hover,
.child-username:hover {
    text-decoration: underline;
}

/* ===================================
   MOBILE RESPONSIVE
   =================================== */

@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .auth-status {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .prediction-card,
    .prediction-card,
    .child-prediction-card {
        padding: 16px;
    }
    
    .auth-form,
    .prediction-form {
        padding: 24px;
    }
    
    .predictions-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 24px;
    }
    
    h2 {
        font-size: 20px;
    }
    
    .nav-link,
    .logout-btn {
        padding: 8px 16px;
        font-size: 14px;
    }
}

/* ===================================
   ACCESSIBILITY
   =================================== */

:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}