:root {
    /* Color Palette */
    --gradient-start: #6366F1;  /* Indigo */
    --gradient-end: #8B5CF6;    /* Purple */
    --primary: #6366F1;
    --secondary: #8B5CF6;
    --background: #F8FAFC;
    --card: #FFFFFF;
    --text: #1E293B;
    --text-secondary: #64748B;
    --success: #10B981;
    --error: #EF4444;
    
    /* Font Families */
    --font-english: 'Poppins', sans-serif;
    --font-arabic: 'Noto Sans Arabic', sans-serif;
    
    /* Add transition for theme switching */
    --transition-speed: 0.3s;
}

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

body {
    font-family: var(--font-english);
    background: var(--background);
    color: var(--text);
    min-height: 100vh;
    padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
    transition: background-color var(--transition-speed) ease,
                color var(--transition-speed) ease;
}

/* Welcome Screen */
.welcome-screen {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.welcome-content {
    max-width: 400px;
    width: 100%;
    text-align: center;
    color: white;
    padding: 2rem;
}

.icon-wrapper {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
}

.welcome-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: float 3s ease-in-out infinite;
}

.welcome-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.welcome-subtitle {
    opacity: 0.9;
    font-size: 1.1rem;
}

.welcome-features {
    display: grid;
    gap: 1rem;
    margin: 2rem 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.2rem;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateX(5px);
    background: rgba(255, 255, 255, 0.2);
}

.start-btn {
    background: white;
    color: var(--primary);
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.start-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

/* Main App */
.app {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.app-header {
    margin-bottom: 2rem;
}

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

.location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    padding: 8px 16px;
    background: var(--card);
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.location i {
    color: var(--primary);
}

.actions {
    display: flex;
    gap: 0.5rem;
}

.icon-btn {
    background: var(--card);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.icon-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Next Prayer Card */
.next-prayer-card {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 20px;
    padding: 2rem;
    color: white;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.2);
}

.time-display {
    font-size: 2rem;
    font-weight: 700;
    margin: 1rem 0;
}

.countdown {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Prayer Grid */
.prayer-times h3 {
    margin-bottom: 1rem;
    color: var(--text);
}

.prayer-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.prayer-card {
    background: var(--card);
    padding: 1.5rem;
    border-radius: 16px;
    transition: background-color var(--transition-speed) ease,
                transform 0.3s ease,
                box-shadow 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.prayer-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

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

.prayer-info .name {
    font-weight: 600;
    color: var(--text);
}

.prayer-info .time {
    font-weight: 500;
    color: var(--primary);
}

/* Loading Spinner */
.loading-spinner {
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 999;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --background: #0F172A;
        --card: #1E293B;
        --text: #F8FAFC;
        --text-secondary: #94A3B8;
    }
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* RTL Support */
[dir="rtl"] {
    font-family: var(--font-arabic);
}

[dir="rtl"] .feature-item:hover {
    transform: translateX(-5px);
}

[dir="rtl"] .start-btn i {
    transform: rotate(180deg);
}

/* Dark mode styles */
[data-theme="dark"] {
    --background: #0F172A;
    --card: #1E293B;
    --text: #F8FAFC;
    --text-secondary: #94A3B8;
}