:root {
    --primary-color: #0d9488;
    --primary-dark: #0f766e;
    --primary-shadow: rgba(13, 148, 136, 0.5);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    background: #f3f4f6;
    color: #1f2937;
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.bg-gray-100 { background-color: #f3f4f6; }
.bg-white { background-color: #ffffff; }
.bg-primary { background-color: var(--primary-color); }
.bg-red-100 { background-color: #fee2e2; }
.bg-green-100 { background-color: #dcfce7; }
.min-h-screen { min-height: 100vh; }
.w-full { width: 100%; }
.max-w-md { max-width: 28rem; }
.h-4 { height: 1rem; }
.w-4 { width: 1rem; }
.h-5 { height: 1.25rem; }
.w-5 { width: 1.25rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-8 { padding: 2rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.pt-2 { padding-top: 0.5rem; }
.pl-10 { padding-left: 2.5rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-10 { margin-bottom: 2.5rem; }
.ml-2 { margin-left: 0.5rem; }
.mr-2 { margin-right: 0.5rem; }
.block { display: block; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-col { flex-direction: column; }
.relative { position: relative; }
.absolute { position: absolute; }
.left-3 { left: 0.75rem; }
.top-1\/2 { top: 50%; }
.-translate-y-1\/2 { transform: translateY(-50%); }
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-3xl { border-radius: 1.5rem; }
.border { border-width: 1px; border-style: solid; }
.border-gray-300 { border-color: #d1d5db; }
.border-red-400 { border-color: #f87171; }
.border-green-400 { border-color: #4ade80; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.font-light { font-weight: 300; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-sans { font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.text-center { text-align: center; }
.tracking-tight { letter-spacing: -0.025em; }
.text-white { color: #ffffff; }
.text-primary { color: var(--primary-color); }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-red-700 { color: #b91c1c; }
.text-green-700 { color: #15803d; }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.1); }
.shadow-primary-lg { box-shadow: 0 10px 15px -3px var(--primary-shadow), 0 4px 6px -2px rgba(13, 148, 136, 0.05); }
.transition-all,
.transition-colors { transition-duration: 180ms; transition-property: all; transition-timing-function: ease; }
.duration-300 { transition-duration: 300ms; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }

.logo-image {
    width: 150px;
    height: auto;
}

input[type="text"],
input[type="password"],
input[type="email"] {
    appearance: none;
    background: #ffffff;
    font: inherit;
    outline: none;
}

input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.16);
}

input[type="checkbox"] {
    accent-color: var(--primary-color);
}

.password-toggle-icon {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    cursor: pointer;
    color: #9ca3af;
    z-index: 10;
}

.hover\:bg-teal-700:hover { background-color: var(--primary-dark); }
.hover\:text-teal-700:hover { color: var(--primary-dark); }
.hover\:scale-\[1\.01\]:hover { transform: scale(1.01); }

button {
    border: 0;
    cursor: pointer;
    font: inherit;
}

a {
    text-decoration: none;
}

@media (min-width: 640px) {
    .sm\:p-8 { padding: 2rem; }
    .sm\:p-10 { padding: 2.5rem; }
}