/* Login Page - Modern & Şık Tasarım */

/* Body ve HTML için scroll kontrolü */
html {
    height: 100%;
    overflow: hidden;
    position: fixed;
    width: 100%;
}

body {
    height: 100%;
    overflow: hidden;
    position: relative;
    margin: 0;
    padding: 0;
}

.login-container {
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 50%, #f0fdfa 100%);
    position: fixed;
    top: 0;
    left: 0;
    overflow: hidden;
    -webkit-overflow-scrolling: touch;
    touch-action: manipulation;
}

/* Animated Background */
.login-container::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
    animation: float 20s infinite ease-in-out;
    pointer-events: none;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(50px, 50px) rotate(180deg); }
}

.login-box {
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    background: white;
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08), 0 0 60px rgba(20, 184, 166, 0.15);
    border: 1px solid rgba(20, 184, 166, 0.2);
    position: relative;
    z-index: 1;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(20, 184, 166, 0.4) rgba(229, 231, 235, 0.5);
}

/* Login box scrollbar */
.login-box::-webkit-scrollbar {
    width: 6px;
}

.login-box::-webkit-scrollbar-track {
    background: #f3f4f6;
    border-radius: 10px;
}

.login-box::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #14b8a6 0%, #0f766e 100%);
    border-radius: 10px;
}

.login-box::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #0f766e 0%, #115e59 100%);
}

/* Logo Section */
.logo {
    text-align: center;
    margin-bottom: 2rem;
}

.logo img {
    max-width: 320px;
    height: auto;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 4px 16px rgba(20, 184, 166, 0.4));
}

.logo h1 {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    font-weight: 700;
}

/* Header */
.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: #111827;
}

.login-header p {
    color: #4b5563;
    font-size: 0.95rem;
}

/* Message Box */
.message-box {
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-box.error {
    background: #fee2e2;
    border: 1px solid #fca5a5;
    color: #991b1b;
}

.message-box.success {
    background: #d1fae5;
    border: 1px solid #6ee7b7;
    color: #065f46;
}

/* Form */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.65rem;
    color: #1f2937;
    font-size: 0.9rem;
    font-weight: 600;
}

.form-group label i {
    margin-right: 0.5rem;
    color: #0f766e;
}

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    color: #111827;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    /* Prevent mobile zoom on focus */
    font-size: 16px;
}

.form-group input:focus {
    border-color: #14b8a6;
    background: white;
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
    outline: none;
}

.input-error {
    display: block;
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

/* CAPTCHA */
.captcha-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

#captchaCanvas {
    background: #fff;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
}

.btn-refresh {
    padding: 0.875rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--border-radius-sm);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.btn-refresh:hover {
    transform: rotate(180deg);
    box-shadow: var(--shadow-glow);
}

/* Attempt Warning */
.attempt-warning {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.5);
    color: #fcd34d;
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    animation: shake 0.5s ease;
}

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

/* Login Button */
.btn-login {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #14b8a6 0%, #0f766e 100%);
    color: white;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.4);
    background: linear-gradient(135deg, #0f766e 0%, #115e59 100%);
}

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

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Loading */
.loading-spinner {
    text-align: center;
    padding: 1rem;
    color: #1f2937;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.loading-spinner i {
    font-size: 2rem;
    color: #0f766e;
    margin-bottom: 0.75rem;
    animation: spin 1s linear infinite;
}

.loading-spinner span {
    font-weight: 500;
}

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

/* Footer */
.login-footer {
    margin-top: 2rem;
    text-align: center;
}

.demo-info {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.15) 0%, rgba(15, 118, 110, 0.1) 100%);
    border: 1px solid rgba(20, 184, 166, 0.4);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.demo-info h4 {
    color: var(--primary-light);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
}

.demo-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0.5rem 0;
    font-family: 'Courier New', monospace;
}

.demo-info strong {
    color: var(--text-primary);
    font-weight: 600;
}

.login-footer p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.login-footer .support {
    margin-top: 1rem;
}

.login-footer .support a {
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}

.login-footer .support a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* Footer Buttons */
.footer-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: space-between;
    align-items: stretch;
}

/* Homepage Button */
.homepage-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: #f0fdfa;
    border: 2px solid #99f6e4;
    color: #0f766e;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, background-color 0.3s ease, opacity 0.3s ease;
    white-space: nowrap;
    flex: 1;
    /* GPU acceleration */
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.homepage-btn:hover {
    background: #ccfbf1;
    transform: translate3d(0, -2px, 0);
    box-shadow: 0 4px 16px rgba(20, 184, 166, 0.2);
    border-color: #5eead4;
}

.homepage-btn i {
    font-size: 1.25rem;
}

.homepage-btn:active {
    transform: translate3d(0, -1px, 0);
}

/* WhatsApp Support Button */
.whatsapp-support-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
    color: white;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, background-color 0.3s ease, opacity 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.4);
    white-space: nowrap;
    flex: 1;
    /* GPU acceleration */
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.whatsapp-support-btn:hover {
    transform: translate3d(0, -3px, 0);
    box-shadow: 0 8px 25px rgba(255, 152, 0, 0.6);
    background: linear-gradient(135deg, #f57c00 0%, #e65100 100%);
}

.whatsapp-support-btn i {
    font-size: 1.25rem;
}

.whatsapp-support-btn:active {
    transform: translate3d(0, -1px, 0);
}

/* Responsive - Tablet */
@media (max-width: 768px) {
    .login-container {
        padding: 1rem;
    }

    .login-box {
        padding: 2rem 1.75rem;
        max-width: 440px;
        max-height: 92vh;
    }

    .logo img {
        max-width: 260px;
    }

    .login-header h2 {
        font-size: 1.4rem;
    }

    .form-group input {
        padding: 0.8rem 1rem;
    }

    .footer-buttons {
        gap: 0.65rem;
    }

    .homepage-btn,
    .whatsapp-support-btn {
        padding: 0.7rem 0.9rem;
        font-size: 0.875rem;
    }
}

/* Responsive - Mobile */
@media (max-width: 576px) {
    .login-container {
        padding: 0.75rem;
    }

    .login-box {
        padding: 1.75rem 1.25rem;
        max-height: 94vh;
    }

    .logo {
        margin-bottom: 1.5rem;
    }

    .logo img {
        max-width: 220px;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .login-header {
        margin-bottom: 1.5rem;
    }

    .login-header h2 {
        font-size: 1.25rem;
    }

    .login-header p {
        font-size: 0.875rem;
    }

    .form-group {
        margin-bottom: 1.25rem;
    }

    .form-group input {
        padding: 0.75rem 0.875rem;
        font-size: 0.9rem;
    }

    .btn-login {
        padding: 0.875rem;
        font-size: 0.95rem;
    }

    .login-footer {
        margin-top: 1.75rem;
    }

    .footer-buttons {
        gap: 0.5rem;
    }

    .homepage-btn,
    .whatsapp-support-btn {
        padding: 0.65rem 0.75rem;
        font-size: 0.85rem;
        gap: 0.4rem;
    }

    .homepage-btn i,
    .whatsapp-support-btn i {
        font-size: 1rem;
    }
}