:root {
    --primary: #ff6b3d;
    --primary-hover: #e85a2d;
    --bg-dark: #0c0e14;
    --bg-card: rgba(28, 31, 42, 0.8);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-sec: #94a3b8;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-dark);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--text-main);
    position: relative;
}

/* Background Image with Overlay */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../img/banner.jpg');
    background-size: auto;
    background-position: right;
    filter: brightness(0.6) saturate(0.8);
    z-index: -1;
}

/* Gradient Overlay for extra depth */
body::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, var(--bg-dark) 100%);
    z-index: -1;
    opacity: 0.8;
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.logo-box {
    text-align: center;
    margin-bottom: 15px;
}

.logo-box img {
    max-width: 240px;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.5));
}

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    padding: 50px 40px;
    border-radius: 24px;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.8);
    text-align: center;
}

h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 35px;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-group i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-sec);
    font-size: 16px;
}

.form-group input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    padding: 16px 15px 16px 50px;
    border-radius: 14px;
    color: #fff;
    font-size: 15px;
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group input:focus {
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 4px rgba(255, 107, 61, 0.15);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    font-size: 14px;
    color: var(--text-sec);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.btn-login {
    width: 100%;
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 16px;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    box-shadow: 0 8px 25px rgba(255, 107, 61, 0.3);
}

.btn-login:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(255, 107, 61, 0.4);
}

.error-msg {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
    padding: 14px;
    border-radius: 12px;
    font-size: 14px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.footer-links {
    font-size: 14px;
    color: var(--text-sec);
}

.footer-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: 0.2s;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.login-card {
    animation: fadeIn 0.6s ease-out;
}