/**
 * WocHub - Login Sayfası Stilleri
 * Modern gradient tasarım ile animasyonlu arka plan
 */

:root {
    --bg-dark: #0a0e1a;
    --bg-card: rgba(17, 24, 39, 0.8);
    --border: rgba(75, 85, 99, 0.3);
    --text: #e5e7eb;
    --text-muted: #9ca3af;
    --text-bright: #ffffff;
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --danger: #ef4444;
    --success: #10b981;
    --gradient-1: #3b82f6;
    --gradient-2: #8b5cf6;
    --gradient-3: #ec4899;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
    position: relative;
}

/* Animated Background */
.login-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.login-bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 40% 90%, rgba(236, 72, 153, 0.15) 0%, transparent 50%);
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.login-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(75, 85, 99, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(75, 85, 99, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.login-bg-orbs {
    position: absolute;
    width: 100%;
    height: 100%;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s ease-in-out infinite;
    opacity: 0.6;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-1);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-2);
    top: 60%;
    right: -5%;
    animation-delay: 7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--gradient-3);
    bottom: -5%;
    left: 40%;
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Login Container */
.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: cardSlideIn 0.6s ease-out;
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header */
.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.login-subtitle {
    font-size: 0.938rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Alert */
.login-alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    animation: alertSlideIn 0.3s ease-out;
}

@keyframes alertSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.login-alert i {
    color: var(--danger);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.login-alert span {
    color: var(--danger);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 1.25rem;
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: color 0.2s;
}

.input-wrapper input {
    width: 100%;
    padding: 1rem 1.25rem 1rem 3.25rem;
    background: rgba(17, 24, 39, 0.6);
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-size: 0.938rem;
    transition: all 0.3s ease;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(17, 24, 39, 0.8);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.input-wrapper input:focus ~ .input-icon,
.input-wrapper input:focus + .input-icon {
    color: var(--primary);
}

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

.toggle-password {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1rem;
    transition: color 0.2s;
    z-index: 1;
}

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

/* Login Button */
.btn-login {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

.btn-login:hover::before {
    left: 100%;
}

.btn-login:active {
    transform: translateY(0);
}

.btn-login.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-login.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: buttonSpin 0.6s linear infinite;
}

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

.btn-login i {
    transition: transform 0.3s ease;
}

.btn-login:hover i {
    transform: translateX(4px);
}

/* Footer */
.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.login-footer p {
    font-size: 0.813rem;
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 640px) {
    .login-container {
        padding: 1rem;
    }
    
    .login-card {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }

    .login-logo {
        width: 70px;
        height: 70px;
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .login-title {
        font-size: 1.75rem;
    }

    .orb {
        filter: blur(60px);
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 1.5rem 1rem;
    }

    .login-header {
        margin-bottom: 2rem;
    }

    .login-logo {
        width: 60px;
        height: 60px;
        font-size: 1.75rem;
    }

    .login-title {
        font-size: 1.5rem;
    }

    .form-group {
        gap: 0.375rem;
    }

    .input-wrapper input {
        padding: 0.875rem 1rem 0.875rem 3rem;
    }

    .btn-login {
        padding: 0.875rem 1.5rem;
    }
}