/* css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --dark-bg: #0f172a;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f8fafc;
    -webkit-font-smoothing: antialiased;
}

/* --- Glassmorphism Navbar --- */
.glass-nav {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* --- Hero Section & Pattern --- */
.hero-side {
    background-color: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.hero-pattern {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    opacity: 0.1;
    background-image: radial-gradient(#ffffff 1px, transparent 1px);
    background-size: 30px 30px;
    z-index: 1;
}

/* --- Inputs & Forms --- */
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--primary);
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.cursor-pointer { cursor: pointer; }

/* --- Buttons --- */
.btn-lumina {
    background-color: var(--primary);
    color: white;
    font-weight: 600;
    padding: 12px;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-lumina:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    color: white;
}

.hover-shadow:hover {
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    background-color: #f8fafc;
}

/* --- Password Strength --- */
.strength-meter {
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
}
.strength-bar {
    height: 100%;
    width: 0%;
    transition: width 0.3s, background-color 0.3s;
}

/* --- Animations --- */
.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}
.delay-100 { animation-delay: 0.1s; }

@keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0); }
}

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

.shake-animation {
    animation: shake 0.3s ease-in-out;
    border-color: var(--danger) !important;
}