@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@400;700;900&display=swap');

:root {
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --primary-color: #a052ff;
    --secondary-color: #03dac6;
    --text-color: #e0e0e0;
    --text-muted-color: #a0a0a0;
    --border-color: #333333;
    --accent-color-red: #cf6679;
    --accent-color-green: #66bb6a;
}

/* --- Light Mode Palette --- */
body.light-mode {
    --bg-color: #f8f9fa;
    --surface-color: #ffffff;
    --primary-color: #4338ca;
    --secondary-color: #059669;
    --text-color: #111827;
    --text-muted-color: #6b7280;
    --border-color: #dee2e6;
    --accent-color-red: #dc2626;
    --accent-color-green: #16a34a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Tajawal';
    text-decoration: none;
}

body {
    font-family: 'Tajawal', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 1rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 700;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.2s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}
body.light-mode .btn-primary {
    color: #ffffff;
}
.btn-primary:hover {
    background-color: #a764fa;
    transform: translateY(-2px);
}
body.light-mode .btn-primary:hover {
    background-color: #3730a3;
    box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background-color: var(--surface-color);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}
.btn-secondary:hover {
    background-color: rgba(187, 134, 252, 0.1);
    transform: translateY(-2px);
}
body.light-mode .btn-secondary:hover {
    background-color: rgba(67, 56, 202, 0.05);
    box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.05);
}

.site-footer {
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
    color: var(--text-muted-color);
    font-size: 0.9rem;
}

/* --- Loader Styles --- */
.loader-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--bg-color);
    display: flex; justify-content: center; align-items: center;
    z-index: 2000;
    opacity: 1; visibility: visible;
    transition: opacity 0.5s, visibility 0.5s;
}
.loader-overlay:not(.active) { opacity: 0; visibility: hidden; }
.spinner {
    width: 50px; height: 50px;
    border: 5px solid var(--surface-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }


/* --- Theme Switcher Styles --- */
.theme-switcher {
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    z-index: 1500;
}
#theme-toggle-btn {
    font-size: 1.5rem;
    color: var(--text-muted-color);
    background: var(--surface-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: box-shadow 0.2s;
}
body.light-mode #theme-toggle-btn {
    box-shadow: 0 2px 8px 0 rgba(0,0,0,0.08);
}

#theme-toggle-btn .fa-sun { display: none; }
#theme-toggle-btn .fa-moon { display: block; }

body.light-mode #theme-toggle-btn .fa-sun { display: block; }
body.light-mode #theme-toggle-btn .fa-moon { display: none; }