/* Fitness Tracking App Styles */

:root {
    --primary-color: #ff6b6b; --secondary-color: #4ecdc4; --success-color: #51cf66; --warning-color: #ffd43b; --info-color: #74c0fc; --light-bg: #f8f9fa; --dark-bg: #212529; --text-color: #333; --text-light: #666; --border-color: #dee2e6; --shadow: 0 2px 10px rgba(0, 0, 0, 0.1); --shadow-hover: 0 5px 20px rgba(0, 0, 0, 0.15); --border-radius: 12px; --transition: all 0.3s ease; }

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

body {
    font-family: 'Montserrat', 'PT Sans', sans-serif; color: var(--text-color); background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); min-height: 100vh; line-height: 1.6; padding-bottom: 100px; }

.container {
    max-width: 1200px; }

/* Mobile App Container */
.mobile-app-container {
    border-radius: 20px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2); overflow: hidden; position: relative; }

/* Header */
.app-header {
    top: 0; z-index: 100; }

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

.back-link-mobile {
    font-size: 1.2rem; text-decoration: none; transition: var(--transition); }

.back-link-mobile:hover {
    opacity: 0.8; }

.app-title {
    font-weight: 700; gap: 0.5rem; }

.profile-btn {
    border: none; cursor: pointer; width: 40px; height: 40px; }

/* Navigation Tabs */
.app-nav {
    border-bottom: 2px solid var(--border-color); }

.nav-tab {
    flex: 1; flex-direction: column; }

.tab-content.active {
    animation: fadeIn 0.3s; }

@keyframes fadeIn {
    from {
        transform: translateY(10px); }
}

.tab-header {
    margin-bottom: 1.5rem; }

/* Stats Cards */
.stats-cards {
    grid-template-columns: repeat(2, 1fr); }

.action-btn:hover {
    border-color: var(--primary-color); }

.workout-item {
    border-left: 4px solid var(--primary-color); }

.workout-type {
    text-transform: uppercase; }

.macro-item {
    text-align: center; }

/* Modal */
.modal {
    left: 0; }

.modal-content {
    max-height: 90vh; overflow-y: auto; }

@keyframes scaleIn {
}

.form-input:focus {
    outline: none; }

/* Footer */
.app-footer {
    backdrop-filter: blur(10px); margin-top: 4rem; }

/* Responsive */
@media (max-width: 480px) {
}