:root {
    /* Color Palette */
    --bg-color: #0b0f19;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --primary-color: #00f0ff;
    --primary-color-glow: rgba(0, 240, 255, 0.4);
    --secondary-color: #7000ff;
    --text-main: #ffffff;
    --text-muted: #8c9baf;
    --error-color: #ff3366;
    --input-bg: rgba(0, 0, 0, 0.2);
    
    /* Typography */
    --font-family: 'Outfit', sans-serif;
}

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

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

/* Background Animated Blobs */
.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    animation: float 10s infinite alternate ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--primary-color);
    opacity: 0.15;
    top: -50px;
    left: -50px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    opacity: 0.15;
    bottom: -100px;
    right: -100px;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 50px) scale(1.1); }
}

/* Container & Glassmorphism */
.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
    z-index: 1;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px 30px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    opacity: 0;
    animation: slideUpFade 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* Logo Section */
.logo-container {
    text-align: center;
    margin-bottom: 40px;
}

.logo-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 16px;
    font-size: 32px;
    color: white;
    box-shadow: 0 10px 20px var(--primary-color-glow);
}

.logo-container h1 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.logo-container p {
    font-size: 14px;
    color: var(--text-muted);
}

/* Form Styles */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    position: relative;
    width: 100%;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 20px;
    transition: color 0.3s ease;
}

.input-group input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 16px 16px 16px 48px;
    color: var(--text-main);
    font-size: 16px;
    font-family: inherit;
    outline: none;
    transition: all 0.3s ease;
}

.input-group input::placeholder {
    color: var(--text-muted);
}

.input-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-color-glow);
}

.input-group input:focus ~ .input-icon {
    color: var(--primary-color);
}

.toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    transition: color 0.3s ease;
    outline: none;
}

.toggle-password:hover, .toggle-password:focus {
    color: var(--text-main);
}

/* Error Message */
.error-message {
    color: var(--error-color);
    font-size: 14px;
    text-align: center;
    min-height: 20px;
    opacity: 0;
    transform: translateY(-5px);
    transition: all 0.3s ease;
}

.error-message.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #00b3ff);
    color: #000;
    border: none;
    border-radius: 12px;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 15px var(--primary-color-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 240, 255, 0.6);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-primary .btn-icon {
    transition: transform 0.3s ease;
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

/* Loader state */
.btn-primary.loading .btn-text,
.btn-primary.loading .btn-icon {
    opacity: 0;
}

.loader {
    position: absolute;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(0,0,0,0.2);
    border-top-color: #000;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary.loading .loader {
    opacity: 1;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Footer */
.footer-info {
    margin-top: 24px;
    text-align: center;
}

.footer-info p {
    font-size: 12px;
    color: var(--text-muted);
}