/* HIT Coach Pro - iOS-Style UI */

:root {
    --gold: #F5A623;
    --gold-light: #FFD700;
    --gold-dark: #D4910A;
    --color-accent: #F5A623;
    --color-background: #000000;
    --color-component-bg: #1C1C1E;
    --color-component-bg-light: #2C2C2E;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: rgba(235, 235, 245, 0.6);
    --color-separator: rgba(84, 84, 88, 0.65);
    --color-text-placeholder: rgba(235, 235, 245, 0.3);
    --safe-area-top: env(safe-area-inset-top, 20px);
    --safe-area-bottom: env(safe-area-inset-bottom, 20px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background: var(--color-background);
    color: var(--color-text-primary);
    -webkit-font-smoothing: antialiased;
}

#app {
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* ============================================
   VIEWS & LAYOUT
   ============================================ */

.view {
    display: none;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    background: var(--color-background);
}

.view.active {
    display: flex;
}

.view-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--color-component-bg-light);
    border-bottom: 1px solid var(--color-separator);
}

.view-header h2 {
    font-size: 17px;
    font-weight: 600;
}

/* Main Screen Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
}

.workout-picker {
    display: flex;
    padding: 0 16px;
    margin: 8px 0;
}

.picker-btn {
    flex: 1;
    padding: 10px 16px;
    background: var(--color-component-bg);
    border: none;
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.picker-btn:first-child { border-radius: 10px 0 0 10px; }
.picker-btn:last-child { border-radius: 0 10px 10px 0; }

.picker-btn.active {
    background: var(--color-accent);
    color: #000;
}

/* ============================================
   EXERCISE LIST
   ============================================ */
.exercise-list {
    flex: 1;
    min-height: 0;
    overflow-y: scroll;
    padding: 0 16px;
}

.exercise-card {
    display: flex;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-separator);
    cursor: pointer;
    gap: 12px;
}

.exercise-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gold);
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.exercise-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.exercise-icon svg {
    width: 24px;
    height: 24px;
    color: #000;
}

.exercise-info {
    flex: 1;
    min-width: 0;
}

.exercise-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.exercise-weight {
    font-size: 14px;
    color: var(--gold);
    margin-top: 2px;
}

.exercise-weight.no-weight {
    color: var(--color-text-secondary);
}

.exercise-status {
    display: flex;
    align-items: center;
    gap: 12px;
}

.exercise-completed {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #34C759;
    font-size: 18px;
}

.exercise-play-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gold);
    border-radius: 50%;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
}

.exercise-play-btn svg {
    width: 18px;
    height: 18px;
    color: #000;
    margin-left: 2px;
}

.chevron {
    color: var(--color-separator);
    font-size: 22px;
    font-weight: 200;
}

/* ============================================
   TAB BAR
   ============================================ */
.tab-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    padding: 6px 16px calc(var(--safe-area-bottom) + 8px);
    background: #101010;
    border-top: 1px solid var(--color-separator);
}

.tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 10px;
}

.tab.active {
    color: var(--color-accent);
}

/* ============================================
   MODALS (Settings & Profile)
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--color-background);
    z-index: 200;
    flex-direction: column;
}

.modal.active {
    display: flex;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    position: relative;
    border-bottom: 1px solid var(--color-separator);
}

.modal-header h3 {
    font-size: 17px;
    font-weight: 600;
}

.btn-done {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    color: var(--color-accent);
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
}

.settings-body {
    padding: 24px 16px;
    flex: 1;
    overflow-y: auto;
}

.settings-group {
    margin-bottom: 24px;
}

.settings-group-header {
    font-size: 13px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    margin-bottom: 8px;
    padding-left: 12px;
}

.segmented-control, .settings-item, .voice-options, .text-input {
    background: var(--color-component-bg);
    border-radius: 10px;
}

.settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid var(--color-separator);
}
.settings-group > div:last-child .settings-item {
    border-bottom: none;
}


.segmented-control {
    display: flex;
    padding: 2px;
}

.seg-btn {
    flex: 1;
    padding: 8px 12px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--color-text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
}

.seg-btn.active {
    background: var(--color-component-bg-light);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.settings-item-label {
    padding: 12px 12px 4px;
    font-size: 15px;
}

.voice-options {
    display: flex;
    justify-content: space-around;
    padding: 12px;
}

.voice-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-component-bg-light);
    border: 2px solid transparent;
    color: var(--color-text-primary);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
}

.voice-btn.active {
    border-color: var(--color-accent);
}

.text-input, .text-input-right {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: 17px;
    padding: 12px;
    outline: none;
}

.text-input-right {
    text-align: right;
    color: var(--color-text-secondary);
}

.btn-danger {
    width: 100%;
    padding: 14px;
    background: var(--color-component-bg);
    border: none;
    border-radius: 10px;
    color: #ff453a;
    font-size: 17px;
    font-weight: 500;
    cursor: pointer;
}

/* ============================================
   TIMER VIEW - iOS Style
   ============================================ */
.timer-view {
    background: var(--color-background);
    padding: 16px;
}

.timer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
}

.timer-close-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: 24px;
    cursor: pointer;
}

.timer-exercise-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* Phase Indicators */
.phase-indicators {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 0;
}

.phase-dot {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-component-bg);
    color: var(--color-text-secondary);
    font-size: 16px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.phase-dot.active {
    background: var(--gold);
    color: #000;
}

.phase-connector {
    width: 24px;
    height: 2px;
    background: var(--color-separator);
}

.phase-connector.active {
    background: var(--gold);
}

/* Timer Display */
.timer-display-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
}

#timer-display {
    font-size: 120px;
    font-weight: 700;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
    color: var(--color-text-secondary);
    line-height: 1;
    transition: color 0.3s ease;
}

#timer-display.running {
    color: var(--color-text-primary);
}

#timer-display.eccentric {
    color: #007AFF;
}

#timer-display.concentric {
    color: #34C759;
}

#phase-label {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-top: 12px;
}

/* Timer Controls */
.timer-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    padding: 24px 0;
}

.timer-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: transform 0.1s ease;
}

.timer-btn:active {
    transform: scale(0.95);
}

.timer-btn-secondary {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-component-bg);
    color: var(--color-text-primary);
}

.timer-btn-primary {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--gold);
    color: #000;
}

.timer-btn svg {
    width: 24px;
    height: 24px;
}

.timer-btn-primary svg {
    width: 28px;
    height: 28px;
}

/* Complete Buttons */
#complete-buttons {
    display: none;
    flex-direction: column;
    gap: 12px;
    padding: 24px;
}

.complete-btn {
    width: 100%;
    padding: 16px;
    border-radius: 12px;
    border: none;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.1s ease;
}

.complete-btn:active {
    transform: scale(0.98);
}

.complete-btn-primary {
    background: var(--gold);
    color: #000;
}

.complete-btn-secondary {
    background: var(--color-component-bg);
    color: var(--color-text-primary);
}

/* ============================================
   WEIGHT LOGGING - iOS Style
   ============================================ */
.weight-logger {
    background: var(--color-component-bg);
    border-radius: 16px;
    padding: 24px;
    margin: 16px;
}

.weight-logger-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: 16px;
}

.weight-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.weight-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: var(--gold);
    color: #000;
    font-size: 32px;
    font-weight: 300;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.1s ease;
}

.weight-btn:active {
    transform: scale(0.9);
}

.weight-display {
    text-align: center;
    min-width: 100px;
}

.weight-value {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
}

.weight-unit {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* Fine Weight Adjustments */
.weight-fine-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}

.weight-fine-btn {
    padding: 8px 16px;
    border-radius: 8px;
    border: none;
    background: var(--color-component-bg-light);
    color: var(--color-text-primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

/* Reached Failure Toggle */
.failure-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--color-component-bg);
    border-radius: 12px;
    margin-top: 16px;
    cursor: pointer;
}

.failure-checkbox {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--color-separator);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.failure-checkbox.checked {
    background: #34C759;
    border-color: #34C759;
}

.failure-checkbox svg {
    width: 14px;
    height: 14px;
    color: #fff;
    opacity: 0;
}

.failure-checkbox.checked svg {
    opacity: 1;
}

.failure-label {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-primary);
}

/* ============================================
   REST VIEW - iOS Style
   ============================================ */
.rest-view {
    background: var(--color-background);
}

#rest-display {
    font-size: 100px;
    font-weight: 700;
    color: #AF52DE;
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
}

.rest-label {
    font-size: 18px;
    color: var(--color-text-secondary);
    text-align: center;
    margin-top: 12px;
}

.next-exercise-preview {
    text-align: center;
    padding: 24px;
    margin-top: 24px;
}

.next-exercise-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#next-exercise-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-top: 8px;
}

/* ============================================
   PROGRESS INDICATOR
   ============================================ */
.progress-section {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
}

.progress-icon {
    color: var(--gold);
    font-size: 20px;
}

#progress-text {
    font-size: 15px;
    color: var(--color-text-secondary);
}

/* ============================================
   LOG MODAL - iOS Style
   ============================================ */
#log-modal .modal-body {
    padding: 24px;
}

#log-modal .exercise-header {
    text-align: center;
    margin-bottom: 24px;
}

#modal-exercise-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.log-input-group {
    margin-bottom: 20px;
}

.log-input-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

#weight-input {
    width: 100%;
    padding: 16px;
    background: var(--color-component-bg);
    border: 1px solid var(--color-separator);
    border-radius: 12px;
    color: var(--color-text-primary);
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    outline: none;
}

#weight-input:focus {
    border-color: var(--gold);
}

/* Log Modal Actions */
.log-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}

.log-btn {
    width: 100%;
    padding: 16px;
    border-radius: 12px;
    border: none;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
}

.log-btn-primary {
    background: var(--gold);
    color: #000;
}

.log-btn-secondary {
    background: var(--color-component-bg);
    color: var(--color-text-primary);
}

.log-btn-start {
    background: #34C759;
    color: #fff;
}