:root {
  --primary: #3b82f6;
  --primary-hover: color-mix(in srgb, var(--primary) 85%, #000000);
  --ink: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --panel-bg: #ffffff;
  --body-bg: #f8fafc;
  --hero-gradient: linear-gradient(180deg, rgba(4, 28, 24, 0.08) 0%, rgba(4, 28, 24, 0.78) 58%, rgba(4, 21, 18, 0.96) 100%);
  --accent: #f3c969;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--body-bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow-x: hidden;
}

.login-shell {
  width: 100vw;
  height: 100vh;
  display: grid;
  grid-template-columns: minmax(480px, 1.04fr) minmax(520px, 0.96fr);
  overflow: hidden;
  background-color: var(--panel-bg);
}

.auth-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(32px, 5vw, 72px);
  background:
    radial-gradient(circle at 12% 18%, color-mix(in srgb, var(--primary) 7%, transparent) 0%, transparent 34%),
    #ffffff;
  overflow-y: auto;
}

.auth-card {
  width: 100%;
  max-width: 440px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 30px;
}

.brand-logo {
  width: 54px;
  height: 54px;
  object-fit: contain;
}

.school-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.5px;
}

.header-section {
  margin-bottom: 28px;
}

.portal-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.header-section h1 {
  font-size: 32px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.8px;
  line-height: 1.1;
  margin-bottom: 8px;
}

.header-section p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.2px;
}

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

.input-icon {
  position: absolute;
  left: 14px;
  color: var(--muted);
  font-size: 20px;
}

.form-input {
  width: 100%;
  height: 48px;
  padding: 0 16px 0 44px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink);
  outline: none;
  background-color: #f8fafc;
  transition: all 0.2s ease;
  font-weight: 500;
}

.form-input:focus {
  border-color: var(--primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 15%, transparent);
}

.password-toggle {
  position: absolute;
  right: 14px;
  color: var(--muted);
  cursor: pointer;
  font-size: 20px;
  user-select: none;
}

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

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  font-size: 13px;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-weight: 600;
  cursor: pointer;
}

.remember-me input {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

.forgot-password {
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
}

.forgot-password:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.btn-submit {
  width: 100%;
  height: 48px;
  background-color: var(--primary);
  border: none;
  border-radius: 8px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 25%, transparent);
  transition: all 0.2s ease;
}

.btn-submit:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--primary) 35%, transparent);
}

.btn-submit:disabled {
  background-color: #cbd5e1;
  box-shadow: none;
  cursor: wait;
  transform: none;
}

.alert-error {
  display: none;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 20px;
  text-align: left;
  line-height: 1.4;
  font-weight: 600;
}

.alert-success {
  display: none;
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #16a34a;
  padding: 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 20px;
  text-align: left;
  line-height: 1.4;
  font-weight: 600;
}

.footer-text {
  margin-top: 36px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

/* Teacher-focused photographic panel */
.creative-panel {
  position: relative;
  isolation: isolate;
  background-color: #092b25;
  background-image: var(--hero-gradient), url("../images/zambian_students.png");
  background-size: cover;
  background-position: center center;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: clamp(36px, 4vw, 64px);
  overflow: hidden;
}

.creative-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(120deg, rgba(5, 39, 32, 0.16), transparent 46%),
    radial-gradient(circle at 88% 16%, color-mix(in srgb, var(--primary) 28%, transparent), transparent 30%);
}

.panel-content {
  position: relative;
  width: 100%;
  max-width: 590px;
  color: #ffffff;
}

.photo-credit {
  position: absolute;
  top: 34px;
  right: 34px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.25px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}

.photo-credit span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #60d394;
  box-shadow: 0 0 0 4px rgba(96, 211, 148, 0.2);
}

.tagline {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 14px;
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(4, 28, 24, 0.48);
  color: #f8fafc;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.tagline i {
  color: var(--accent);
  font-size: 14px;
}

.panel-content h2 {
  font-size: clamp(38px, 4vw, 56px);
  font-weight: 800;
  line-height: 1.03;
  margin-bottom: 14px;
  letter-spacing: -1.8px;
  text-wrap: balance;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.panel-intro {
  max-width: 530px;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 24px;
}

.workspace-preview {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  background: rgba(248, 250, 252, 0.12);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.preview-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.preview-eyebrow {
  display: block;
  margin-bottom: 3px;
  color: var(--accent);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.preview-heading h3 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.15px;
}

.preview-status {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 9px;
  font-weight: 700;
}

.preview-status span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #60d394;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.preview-item {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding: 11px;
  border-radius: 12px;
  background: rgba(3, 22, 19, 0.46);
  transition: transform 0.2s ease, background 0.2s ease;
}

.preview-item:hover {
  background: rgba(3, 22, 19, 0.64);
  transform: translateY(-2px);
}

.preview-icon {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: rgba(243, 201, 105, 0.14);
  color: var(--accent);
  font-size: 16px;
}

.preview-item strong,
.preview-item small {
  display: block;
}

.preview-item strong {
  overflow: hidden;
  color: #ffffff;
  font-size: 10.5px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-item small {
  overflow: hidden;
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 8.5px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-arrow {
  color: rgba(255, 255, 255, 0.45);
  font-size: 15px;
}

.panel-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 15px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 10.5px;
  font-weight: 600;
}

.panel-trust span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.panel-trust i {
  color: var(--accent);
  font-size: 14px;
}

@media (max-width: 980px) {
  .login-shell {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
  }

  .creative-panel {
    min-height: 290px;
    padding: 28px 36px;
    background-position: center 45%;
    order: 1;
  }

  .creative-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(90deg, rgba(4, 21, 18, 0.94), rgba(4, 21, 18, 0.42));
  }

  .photo-credit,
  .workspace-preview,
  .panel-trust {
    display: none;
  }

  .panel-content {
    max-width: 540px;
  }

  .panel-content h2 {
    font-size: 38px;
  }

  .panel-intro {
    margin-bottom: 0;
  }

  .auth-panel {
    min-height: calc(100vh - 290px);
    padding: 42px 24px;
    order: 2;
  }
}

@media (max-width: 640px) {
  .login-shell {
    display: block;
  }

  .creative-panel {
    display: none;
  }

  .auth-panel {
    min-height: 100vh;
    padding: 30px 20px;
  }

  .brand-row {
    margin-bottom: 26px;
  }

  .header-section h1 {
    font-size: 29px;
  }
}

@media (max-height: 760px) and (min-width: 981px) {
  .creative-panel,
  .auth-panel {
    padding-top: 28px;
    padding-bottom: 28px;
  }

  .panel-content h2 {
    font-size: 38px;
  }

  .panel-intro {
    margin-bottom: 16px;
  }

  .workspace-preview {
    padding: 14px;
  }

  .panel-trust {
    margin-top: 10px;
  }

  .brand-row {
    margin-bottom: 22px;
  }

  .header-section {
    margin-bottom: 22px;
  }

  .footer-text {
    margin-top: 24px;
  }
}