/* Tailwind CSS - Production Build */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
.header-gradient {
    background: linear-gradient(to right, #3b82f6, #8b5cf6);
    color: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Cards */
.card {
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(to right, #3b82f6, #8b5cf6);
    color: white;
}

.btn-secondary {
    background: #f3f4f6;
    color: white;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Forms */
.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    background: white;
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Navigation */
.nav-tab {
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-tab.active {
    background: white;
    color: #3b82f6;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Activity Cards */
.activity-card {
    border-left: 4px solid;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.activity-study {
    border-color: #3b82f6;
    background: linear-gradient(to right, #dbeafe, #3b82f6);
}

.activity-school {
    border-color: #6366f1;
    background: linear-gradient(to right, #e0e7ff, #6366f1);
}

.activity-exercise {
    border-color: #10b981;
    background: linear-gradient(to right, #d1fae5, #10b981);
}

.activity-meal {
    border-color: #f59e0b;
    background: linear-gradient(to right, #fef3c7, #f59e0b);
}

.activity-personal {
    border-color: #ec4899;
    background: linear-gradient(to right, #fce7f3, #ec4899);
}

.activity-reading {
    border-color: #8b5cf6;
    background: linear-gradient(to right, #e0e7ff, #8b5cf6);
}

.activity-break {
    border-color: #6b7280;
    background: linear-gradient(to right, #f3f4f6, #6b7280);
}

.activity-other {
    border-color: #f97316;
    background: linear-gradient(to right, #fed7aa, #f97316);
}

/* Status Indicators */
.status-current {
    background: linear-gradient(to right, #10b981, #10b981);
    color: white;
}

.status-completed {
    background: linear-gradient(to right, #ef4444, #ef4444);
    color: white;
}

.status-upcoming {
    background: linear-gradient(to right, #6b7280, #6b7280);
    color: white;
}

/* User Avatar */
.user-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    font-weight: 600;
    color: #3b82f6;
    font-size: 1.125rem;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

/* Notifications */
.notification {
    position: fixed;
    top: 1rem;
    right: 1rem;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    z-index: 50;
    transition: all 0.3s;
}

.notification-success {
    background: #10b981;
    color: white;
}

.notification-error {
    background: #ef4444;
    color: white;
}

.notification-info {
    background: #3b82f6;
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header-gradient {
        padding: 1rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0.5rem;
    }
    
    .header-gradient {
        padding: 0.75rem;
    }
    
    .card {
        padding: 0.75rem;
        margin-bottom: 0.75rem;
    }
    
    .btn {
        padding: 0.375rem 0.75rem;
        font-size: 0.8125rem;
    }
}

/* Landing Page Styles */
.landing-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    top: -150px;
    right: -150px;
    animation: float 6s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, #a855f7, #78ffd6);
    bottom: -100px;
    left: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: linear-gradient(45deg, #ffd93d, #ff6b6b);
    top: 50px;
    left: 50px;
    animation: float 10s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

/* Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Tab Styles */
.tab-content {
    display: none;
}

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

.tab-button {
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem 0.375rem 0 0;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    background: transparent;
    color: #6b7280;
}

.tab-button.active {
    background: white;
    color: #1f2937;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Form Styles */
.auth-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem;
    border-radius: 1rem;
}

.auth-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transition: all 0.2s;
}

.auth-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Social Login Buttons */
.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    width: 100%;
    margin-bottom: 1rem;
}

.social-btn-google {
    background: #4285f4;
    color: white;
}

.social-btn-microsoft {
    background: #0078d4;
    color: white;
}

.social-btn-apple {
    background: #000000;
    color: white;
}

.social-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}