:root {
    --primary: #0ea5e9;
    --primary-light: #38bdf8;
    --primary-dark: #0284c7;
    --primary-glow: rgba(14, 165, 233, 0.4);
    --accent: #f97316;
    --accent-light: #fb923c;
    --accent-glow: rgba(249, 115, 22, 0.3);
    --secondary: #14b8a6;
    --secondary-light: #2dd4bf;
    --secondary-glow: rgba(20, 184, 166, 0.3);
    --bg-primary: #f0f9ff;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e0f2fe;
    --bg-glass: rgba(255, 255, 255, 0.85);
    --text-primary: #0c4a6e;
    --text-secondary: #0369a1;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #14b8a6 50%, #10b981 100%);
    --gradient-hero: linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 50%, #bae6fd 100%);
    --gradient-accent: linear-gradient(135deg, #0ea5e9 0%, #f97316 100%);
    --shadow-sm: 0 2px 8px rgba(14, 165, 233, 0.08);
    --shadow-md: 0 8px 30px rgba(14, 165, 233, 0.12);
    --shadow-lg: 0 20px 60px rgba(14, 165, 233, 0.15);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.25);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html, body {
    height: 100%;
    overflow: hidden;
}

body.login-page {
    font-family: var(--font-body);
    background: var(--gradient-hero);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: var(--text-primary);
    padding: 20px;
    position: relative;
}

body.login-page::before,
body.login-page::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    animation: float 8s ease-in-out infinite;
}

body.login-page::before {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.25) 0%, transparent 70%);
    top: -100px;
    right: -50px;
}

body.login-page::after {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.2) 0%, transparent 70%);
    bottom: -80px;
    left: -80px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.03); }
}

.grid-bg {
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
    pointer-events: none;
}

.container {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    max-width: 460px !important;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-height: 95vh;
    overflow-y: auto;
    width: 100%;
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(14, 165, 233, 0.15);
    position: relative;
    z-index: 1;
}

.container:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.logo-container {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

h1 {
    font-family: var(--font-display);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
    font-weight: 700;
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 1.2rem;
    text-align: left;
    position: relative;
}

.form-group label {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    gap: 6px;
}

.info-container {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.info-icon {
    font-size: 0.85rem;
    color: var(--primary);
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition-normal);
}

.info-icon:hover {
    opacity: 1;
}

.tooltip-bubble {
    position: absolute;
    bottom: 150%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--text-primary);
    color: var(--text-white);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    width: 220px;
    text-align: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 100;
    pointer-events: none;
    font-weight: 400;
    line-height: 1.5;
}

.tooltip-bubble::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -6px;
    border-width: 6px;
    border-style: solid;
    border-color: var(--text-primary) transparent transparent transparent;
}

.info-container:hover .tooltip-bubble {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

input, select {
    width: 100%;
    padding: 0.9rem 1rem;
    border-radius: var(--radius-md);
    border: 2px solid rgba(14, 165, 233, 0.2);
    font-size: 0.95rem;
    font-family: var(--font-body);
    transition: var(--transition-normal);
    box-sizing: border-box;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

input::placeholder {
    color: var(--text-light);
}

button.primary-btn {
    width: 100%;
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    padding: 1rem;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-body);
    cursor: pointer;
    transition: var(--transition-normal);
    margin-top: 1rem;
    box-shadow: 0 8px 30px var(--primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

button.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px var(--primary-glow);
}

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

button.primary-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.loading {
    display: none;
    margin-top: 1rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.loading.active {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.link-section {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(14, 165, 233, 0.15);
}

.link-section p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.9rem;
}

.link-section a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
}

.link-section a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-secondary);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: none;
    align-items: center;
    gap: 1rem;
    z-index: 9999;
    max-width: 400px;
    animation: slideIn 0.3s ease;
    border-left: 4px solid var(--primary);
}

@keyframes slideIn {
    from { transform: translateX(400px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.notification.show {
    display: flex;
}

.notification.error {
    border-left-color: var(--accent);
}

.notification.error i {
    color: var(--accent);
}

.notification.success {
    border-left-color: var(--secondary);
}

.notification.success i {
    color: var(--secondary);
}

.notification i {
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.notification span {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.show-pass {
    position: absolute;
    right: 14px;
    top: 68%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.show-pass:hover {
    color: var(--primary);
    transform: translateY(-50%) scale(1.1);
}

.terms-box {
    text-align: center;
    font-size: 0.85rem;
    line-height: 1.5;
    margin-top: 1rem;
}

.terms-box label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-muted);
    cursor: pointer;
}

.terms-box input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

.terms-box a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
}

.terms-box a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.popup-notification {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 16px 28px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    font-weight: 500;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 9999;
    border-left: 4px solid var(--accent);
}

.popup-notification.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-height: 700px), (max-width: 500px) {
    .container {
        padding: 1.5rem;
        max-width: 95%;
    }

    h1 {
        font-size: 1.4rem;
    }

    .subtitle {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }

    input, button {
        font-size: 0.9rem;
        padding: 0.7rem;
    }

    .logo-container {
        margin-bottom: 1rem;
    }
    
    .logo-img {
        width: 40px;
        height: 40px;
    }

    .logo-text {
        font-size: 1.4rem;
    }

    .link-section {
        margin-top: 1rem;
    }
}