/* ========================================
   Login Page Styles - APPTWO Admin
   ======================================== */

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

body {
    font-family: 'Inter', 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    position: relative;
    overflow: hidden;
}

/* Subtle animated background pattern */
body::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 50% 80%, rgba(59, 130, 246, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

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

/* Logo area */
.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo .logo-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
}

.login-logo .logo-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.login-logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: #f8fafc;
    letter-spacing: -0.025em;
}

.login-logo p {
    font-size: 14px;
    color: #94a3b8;
    margin-top: 4px;
}

/* Card */
.login-card {
    background: rgba(255, 255, 255, 0.97);
    border-radius: 20px;
    padding: 40px 36px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3),
                0 0 0 1px rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
}

.login-card h2 {
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 4px;
}

.login-card .subtitle {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 28px;
}

/* Flash messages */
.flash-message {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.flash-message.error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.flash-message svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Form elements */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #475569;
    margin-bottom: 6px;
}

.form-group .input-wrapper {
    position: relative;
}

.form-group .input-wrapper svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: #94a3b8;
    pointer-events: none;
    transition: color 0.2s ease-out;
}

.form-group input {
    width: 100%;
    padding: 12px 14px 12px 44px;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    color: #1e293b;
    background: #f8fafc;
    outline: none;
    transition: border-color 0.2s ease-out, background-color 0.2s ease-out, box-shadow 0.2s ease-out;
}

.form-group input::placeholder {
    color: #94a3b8;
}

.form-group input:focus {
    border-color: #3b82f6;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.form-group input:focus + svg,
.form-group .input-wrapper:focus-within svg {
    color: #3b82f6;
}

/* Submit button */
.btn-login {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.15s ease-out, box-shadow 0.2s ease-out, opacity 0.2s ease-out;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    margin-top: 4px;
}

.btn-login:hover {
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    opacity: 0.95;
}

.btn-login:active {
    transform: scale(0.98);
}

/* Footer */
.login-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 12px;
    color: #64748b;
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        padding: 32px 24px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        transition-duration: 0.01ms !important;
    }
}