/* login.css — extracted from login.php */
:root {
    --bg: #050b14;
    --card: rgba(13, 22, 39, 0.6);
    --card-hover: rgba(19, 31, 55, 0.8);
    --accent: #8b5cf6;
    --accent-glow: rgba(139, 92, 246, 0.4);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: rgba(255,255,255,0.08);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

body {
    background-color: var(--bg);
    background-image:
        radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.08), transparent 35%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.08), transparent 35%),
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 35px 35px, 35px 35px;
    background-attachment: fixed;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text-main);
    margin: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 50%; left: 50%;
    width: 800px; height: 800px;
    background: var(--accent);
    filter: blur(250px);
    opacity: 0.15;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

.login-container {
    background: var(--card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 50px 40px;
    width: 100%;
    max-width: 420px;
    box-sizing: border-box;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
    text-align: center;
    z-index: 1;
    position: relative;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    border-radius: 24px;
    pointer-events: none;
    border: 1px solid rgba(255,255,255,0.02);
}

.brand-logo {
    margin-bottom: 25px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px; height: 70px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.2);
}

h2 {
    margin: 0 0 10px;
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

p {
    color: var(--text-muted);
    margin: 0 0 35px;
    font-size: 0.95rem;
    font-weight: 600;
}

.form-group {
    margin-bottom: 25px;
    text-align: left;
    position: relative;
    width: 100%;
}

label {
    display: block;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 800;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.input-icon-wrapper > i.left-icon {
    position: absolute;
    left: 18px;
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: 0.3s;
    pointer-events: none;
}

.form-control {
    width: 100%;
    background: rgba(0,0,0,0.3);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 45px 16px 48px;
    box-sizing: border-box;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    transition: 0.3s;
    outline: none;
}

.form-control:hover {
    border-color: rgba(139, 92, 246, 0.3);
}

.form-control:focus {
    background: rgba(0,0,0,0.5);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.form-control:focus ~ i.left-icon, .form-control:not(:placeholder-shown) ~ i.left-icon {
    color: var(--accent);
}

.toggle-password-btn {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    outline: none;
    font-size: 1.1rem;
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
}

.toggle-password-btn:hover {
    color: var(--text-main);
    background: rgba(255,255,255,0.1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #4f46e5);
    color: var(--text-main);
    padding: 18px;
    border-radius: 12px;
    border: none;
    font-weight: 800;
    cursor: pointer;
    font-size: 1.1rem;
    width: 100%;
    margin-top: 15px;
    transition: 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 10px 30px var(--accent-glow);
}

.back-home-btn {
    position: absolute;
    top: 30px;
    left: 40px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    background: var(--card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    padding: 12px 20px;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.05);
    z-index: 10;
}

.back-home-btn:hover {
    color: var(--text-main);
    background: var(--card-hover);
    border-color: rgba(139, 92, 246, 0.4);
    transform: translateY(-2px);
}

html[dir="rtl"] .back-home-btn { left: auto; right: 40px; }

.lang-switch {
    position: absolute;
    top: 30px; right: 40px;
    display: flex;
    gap: 6px;
    z-index: 10;
}
html[dir="rtl"] .lang-switch { right: auto; left: 40px; }
.lang-switch a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 800;
    font-size: 0.8rem;
    background: var(--card);
    border: 1px solid var(--border);
    padding: 8px 12px;
    border-radius: 8px;
}
.lang-switch a.active { color: var(--accent); border-color: rgba(139, 92, 246, 0.4); }

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.6);
    filter: brightness(1.1);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px dashed rgba(239, 68, 68, 0.3);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 25px;
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
    animation: shake 0.5s ease-in-out;
    line-height: 1.4;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@media (max-width: 600px) {
    body {
        height: auto;
        min-height: 100vh;
        overflow: visible;
        flex-direction: column;
        gap: 15px;
        padding: 20px 0;
        box-sizing: border-box;
    }
    .back-home-btn, .lang-switch {
        position: static;
        margin: 0;
    }
    .back-home-btn {
        padding: 10px 15px;
        font-size: 0.85rem;
    }
    .lang-switch {
        justify-content: center;
    }
    .login-container {
        padding: 40px 25px;
        margin: 0 20px;
    }
}